Casinos That Accept MiFinity in the UK: 2026 Guide for Real Players
Casinos That Accept MiFinity in the UK: 2026 Guide for Real Players
Casinos that accept MiFinity in the UK are growing in number, but the picture is far more complicated than a simple list of operators. MiFinity is a licensed e-money institution authorised by the Financial Conduct Authority, and it lets UK players fund casino accounts and withdraw winnings through a single wallet without handing over card details to every gambling site they touch. The appeal is obvious. The reality requires more explanation than most comparison sites are willing to give.
This guide covers how MiFinity works for UK casino transactions, which operators from the current market list support it, how fast withdrawals actually clear, what the limits are, and where the hidden costs sit. It also explains why MiFinity availability at UK casinos is narrower than at offshore sites, because the Gambling Act and the FCA’s treatment of gambling transactions shape the entire landscape. Everything below is written for players who want the mechanics, not the marketing.
How MiFinity Works at UK Online Casinos
MiFinity operates as an e-wallet, but it is not the same animal as PayPal or Skrill. The company holds an E-Money Institution licence from the Financial Conduct Authority, which means customer funds must be safeguarded in segregated accounts rather than mixed into company operating capital. For a UK player, that distinction matters when you are deciding whether to park £500 in a wallet that will sit between you and a casino for a few days while a withdrawal clears.
Deposits work like this: you load your MiFinity wallet via bank transfer, debit card, or one of several alternative methods, then select MiFinity as your payment option at the casino cashier. Funds move from the wallet to the casino balance almost instantly, typically within seconds. The casino sees a MiFinity reference, not your bank account number. That separation is the main privacy benefit, and it is also why some players prefer e-wallets over direct bank transfers even when the casino supports both.
Withdrawals reverse the flow. The casino pushes funds back to your MiFinity wallet, usually after its own internal processing period, and then you move money from MiFinity to your bank. The critical variable is the casino’s pending time, not the e-wallet itself. A casino that takes 72 hours to approve a withdrawal will not become faster because you chose MiFinity over a debit card. The wallet only controls the final leg.
There are fees at both ends. MiFinity charges for loading the wallet depending on the funding method, and some casinos add their own transaction fee for e-wallet deposits or withdrawals, though most UK-licensed operators have dropped deposit fees entirely under regulatory pressure. The withdrawal fee, where it exists, is usually a fixed amount or a small percentage. Check both sides before you commit, because a “free” deposit that costs 2.5% on the way out is not free at all.
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Why MiFinity Is Harder to Find at UK Casinos Than Offshore Sites
Search for MiFinity casinos and you will find hundreds of results. Search for casinos that accept MiFinity in the UK and the field shrinks dramatically. The reason is structural, not commercial. UK-licensed operators under the Gambling Act 2005 must use payment methods that comply with the Gambling Commission’s requirements around identity verification, source of funds, and transaction monitoring. Not every e-wallet meets those standards in the way the Commission expects.
The Gambling Commission has also tightened rules on what it considers acceptable payment facilitation. Operators must be able to trace transactions to verified customer accounts, and any intermediary wallet has to support that traceability. MiFinity, as an FCA-regulated E-Money Institution, clears that bar in principle, but individual casinos still have to integrate it, pass their own compliance checks, and decide the commercial terms. That process is slower than the wild-west integration you see at Curaçao-licensed sites.
Offshore casinos accept MiFinity far more widely because their regulators impose fewer constraints on payment processing. A Curaçao licence does not require the same transaction monitoring infrastructure, so operators can bolt on any wallet that processes payments. For a UK player, that means the MiFinity casinos you find in a generic search may not be legally accessible to you, and deposits made from the UK to an unlicensed operator carry no regulatory protection if something goes wrong.
Practical consequence: your choice of MiFinity-accepting casinos in the UK is smaller, but every operator on that shorter list is subject to dispute resolution through IBAS or the Gambling Commission’s own complaints process. That is worth more than an extra fifty options on a list of sites you cannot legally play at.
Top UK Casinos That Accept MiFinity
The following operators represent the current UK market where MiFinity is available or where its integration is part of the broader payment ecosystem players should understand. These are the brands that matter in 2026, ranked by overall payment reliability, withdrawal speed, and how well the MiFinity option is implemented rather than by who paid for placement. Each entry covers what the operator does well, where it falls short, and how MiFinity fits into the payment mix.
Important context: none of these operators is presented here as holding a specific Gambling Commission licence number, because this list reflects market presence and payment method availability rather than a licence registry lookup. Licensing status should always be verified directly on the Gambling Commission’s public register before you deposit. What follows is an assessment of payment experience and operator quality based on how these brands are positioned in the UK market.
1. LiveScore Bet
LiveScore Bet has built its reputation on sports betting first, but the casino side has matured considerably. Payment processing is handled through a clean cashier interface where e-wallet options are clearly listed, and withdrawals to e-wallets are among the faster in the UK market, commonly clearing within 24 hours once approved. The minimum deposit sits at the standard £10 level that most UK casinos now use, which keeps the entry barrier low for players testing the waters.
Where LiveScore Bet earns its place near the top is consistency. The operator does not play games with withdrawal times. What the cashier says is roughly what you get, and that is rarer than it should be. MiFinity, where available, slots into the same processing pipeline as other e-wallets, which means the speed advantage carries over. The casino game library is solid rather than spectacular, but payment reliability is not something you can say about every UK operator.
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2. Genting Casino
Genting brings a physical casino heritage to the online space, and that background shows in how the operator handles payments. The cashier is straightforward, deposits are processed without unnecessary friction, and the brand has a track record of honouring withdrawal requests without the kind of arbitrary delays that plague smaller operators. Minimum deposits are standard, and the payment method range is broad enough that MiFinity users are not left stranded.
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The online casino library leans toward table games and live dealer options, which suits players who prefer a more traditional gambling experience over endless slot variants. Withdrawal speeds to e-wallets are competitive, typically within one to two business days after approval. Genting is not the flashiest option on this list, but flash does not pay your rent when a withdrawal is stuck in “pending review” for a week.
3. Rainbow Riches Casino
Rainbow Riches Casino trades on one of the most recognised slot brands in the UK, and the payment experience reflects a focus on keeping things simple. The cashier supports the standard range of UK payment methods, e-wallet withdrawals are processed efficiently, and the minimum deposit matches the market norm. Players who came for the branded slots will find the payment side unremarkable, which in this context is a compliment.
The operator’s strength is accessibility. New players are not buried under complex verification requirements before they can make a first deposit, though full KYC still applies before any withdrawal. E-wallet cashouts, including those via MiFinity where offered, clear at the typical UK pace of one to two days post-approval. The game selection is slot-heavy by design, so players looking for extensive live casino or table game options may find the library limiting.
4. Betway
Betway is one of the most established names in UK gambling, and the payment infrastructure reflects that scale. The cashier handles a wide range of methods, e-wallet withdrawals are processed with reasonable speed, and the operator has the compliance infrastructure to handle large transaction volumes without the bottlenecks that smaller casinos sometimes hit. Minimum deposits are standard, and the overall payment experience is polished if not particularly distinctive.
The casino library is extensive, covering slots, table games, live dealer options, and progressive jackpots. Where Betway stands out is in the depth of its game catalogue rather than in any single payment innovation. E-wallet withdrawals, including MiFinity transactions where supported, follow the standard UK processing timeline. The brand’s longevity in the market is itself a data point: operators that have survived multiple regulatory cycles tend to have their payment systems sorted.
5. Coral
Coral operates at a scale where payment reliability is a baseline expectation rather than a selling point. The cashier supports the full range of UK-accepted methods, e-wallet withdrawals are processed at the market-standard speed, and the operator’s compliance framework handles transaction monitoring without creating the kind of verification bottlenecks that frustrate players. Deposits are instant across methods, and the minimum deposit sits at the usual £10 level.
The casino product is broad, with strong coverage across slots, live casino, and table games. Coral’s payment experience is defined by its ordinariness, and that is exactly what you want from a cashier. Nothing surprising, nothing hidden, no fee structures that only reveal themselves after you have committed to a withdrawal. MiFinity, where integrated, behaves like any other e-wallet in the system, which means the standard processing speeds apply.
6. Kwiff
Kwiff takes a different approach to the market, and its payment system reflects that unconventional positioning. The cashier is clean and functional, e-wallet options are available, and withdrawals are processed with a focus on speed that puts it in the upper tier of UK operators. The minimum deposit is standard, and the operator does not bury payment terms in fine print that requires a magnifying glass to decode.
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The casino library is more focused than the giants on this list, but that is a deliberate choice rather than a limitation. Kwiff prioritises a curated game selection over overwhelming volume, and the payment experience benefits from that same discipline. E-wallet cashouts clear quickly, and the operator’s approach to verification is straightforward rather than obstructive. For players who value a fast, no-nonsense payment experience over a thousand-slot library, Kwiff delivers.
7. LottoGo
LottoGo sits at the intersection of lottery betting and casino gaming, and the payment infrastructure supports both sides of that hybrid model. The cashier handles standard UK payment methods, e-wallet withdrawals are processed at competitive speeds, and the minimum deposit matches the market norm. The operator’s dual focus means the payment system has to handle different transaction patterns than a pure casino, and it manages that without obvious friction.
The game library combines casino titles with lottery-style products, which gives LottoGo a distinct position in the market. Payment processing is reliable across both categories, and e-wallet withdrawals, including MiFinity where available, clear within the typical UK timeframe. The brand is not trying to be everything to everyone, and the payment experience reflects that focused approach. Players who split their time between casino games and lottery bets will find the cashier handles both without requiring separate funding.
8. Sky Bet
Sky Bet’s payment system is built for volume. The operator processes a massive number of transactions daily, and the cashier infrastructure is designed to handle that load without degradation. E-wallet withdrawals are processed efficiently, the minimum deposit is standard, and the overall payment experience is defined by the kind of operational reliability that only comes from processing enough transactions to iron out every edge case.
The casino side of Sky Bet is integrated with the broader Sky Betting & Gaming ecosystem, which means players benefit from shared payment infrastructure across products. E-wallet cashouts, including MiFinity transactions where supported, follow the standard processing pipeline. The game library is comprehensive, covering all major categories, and the payment experience is consistent whether you are depositing for slots or live casino. Scale has its advantages, and payment reliability is one of them.
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9. Sky Vegas
Sky Vegas operates as the casino-focused arm of the Sky Betting & Gaming group, and the payment experience reflects that specialisation. The cashier is optimised for casino transactions, e-wallet withdrawals are processed with the speed you would expect from an operator of this scale, and the minimum deposit is standard. The operator’s focus on casino gaming means the payment system is tuned for the patterns typical of casino players rather than sports bettors.
The game library is extensive, with strong coverage across slots, table games, and live dealer options. Payment processing is reliable, and e-wallet cashouts clear at the expected pace. Sky Vegas benefits from the shared infrastructure of the Sky group, which means the payment systems have been tested at scale before being deployed to casino players. For MiFinity users, the integration follows the standard e-wallet pathway, which means the processing speeds are consistent with what the operator delivers across other methods.
10. Grosvenor Casinos
Grosvenor Casinos brings a land-based heritage to the online space, and the payment system carries that institutional weight. The cashier supports a broad range of methods, e-wallet withdrawals are processed reliably, and the operator’s compliance infrastructure is built to handle the transaction monitoring requirements that UK regulation demands. The minimum deposit is standard, and the overall payment experience is professional without being cold.
The casino library is one of the more comprehensive in the UK market, with strong coverage across all major game categories. Grosvenor’s payment experience is defined by its reliability rather than its speed, though e-wallet cashouts do clear within the typical UK timeframe. The brand’s physical casino presence gives it a compliance and operational maturity that purely online operators sometimes lack. For players who want a payment experience backed by an established gambling institution, Grosvenor delivers without drama.
| Operator | Typical Bonus Structure | Licensing Context | Typical E-Wallet Withdrawal Speed | Typical Minimum Deposit | Payment Standout |
|---|---|---|---|---|---|
| LiveScore Bet | Welcome offer on first deposit, standard UK terms | UK market operator, verify on GC register | Within 24 hours post-approval | £10 | Consistent withdrawal times |
| Genting Casino | Deposit match, sometimes with free spins | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | Land-based compliance heritage |
| Rainbow Riches Casino | Welcome package with branded slot focus | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | Simple, accessible cashier |
| Betway | Multi-tier welcome offer across products | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | Extensive payment method range |
| Coral | Deposit match with occasional free spins | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | Transparent fee structure |
| Kwiff | Simplified welcome offer, reduced wagering | UK market operator, verify on GC register | Under 24 hours post-approval | £10 | Speed-focused processing |
| LottoGo | Casino and lottery product welcome offers | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | Hybrid casino-lottery cashier |
| Sky Bet | Integrated offers across Sky Betting & Gaming | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | High-volume transaction reliability |
| Sky Vegas | Casino-focused welcome package | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | Casino-optimised payment pipeline |
| Grosvenor Casinos | Deposit match, sometimes with live casino focus | UK market operator, verify on GC register | 1–2 business days post-approval | £10 | Institutional payment maturity |
Is MiFinity Legal and Safe for UK Casino Players?
MiFinity holds an E-Money Institution licence from the Financial Conduct Authority, which places it under the same regulatory framework as other authorised e-money providers operating in the UK. That licence requires the company to safeguard customer funds in segregated accounts, maintain adequate capital reserves, and comply with anti-money laundering regulations. For a UK player, this means the wallet itself operates within a regulated financial framework, which is a meaningful distinction from payment methods that operate in regulatory grey zones.
Thecasino’s side of the equation is separate. The Gambling Commission requires UK-licensed operators to verify player identity before processing withdrawals, regardless of payment method, and MiFinity transactions are subject to the same source-of-funds checks as bank transfers or card payments. Choosing an e-wallet does not bypass verification; it simply changes which account the verified funds land in.
Security at the transaction level is handled through standard e-money infrastructure: encrypted connections, tokenised payment references, and two-factor authentication on the MiFinity account itself. The wallet does not expose your bank details to the casino, and the casino does not expose your gambling activity to your bank statement beyond whatever reference appears when you withdraw from MiFinity to your own account. That last point matters more than most players realise. A direct bank transfer from a casino shows up on your statement with a gambling operator’s name attached; an e-wallet withdrawal shows a MiFinity transfer instead.
The risk profile is different from crypto or unregulated payment methods because both ends of the transaction sit under UK or EU financial regulation. If MiFinity has a problem, you have recourse through the FCA’s complaints framework. If the casino has a problem, you have recourse through IBAS or the Gambling Commission. Neither guarantee exists for deposits made through methods that fall outside UK regulatory scope entirely.
Games Available at UK Casinos Accepting MiFinity
The game libraries at UK-licensed casinos are shaped by what providers will supply under strict regulatory terms, and that shapes what you can play regardless of which payment method you use. Slots dominate by volume, typically representing 70–80% of any UK casino’s total game count, because slot providers like Playtech, IGT, NetEnt, and Pragmatic Play produce titles faster than table game developers can iterate on roulette variants. A typical UK casino carries between 500 and 1,500 slot titles at any given time.
Table games cover blackjack, roulette, baccarat, and poker variants in both RNG and live dealer formats. Live casino has grown disproportionately since 2020, with studios from Evolution Gaming and Playtech now producing dedicated UK-facing tables with British dealers rather than generic international feeds. The live dealer segment carries higher per-hand minimums than RNG tables (often £1 minimum versus £0.10), which affects how far a small deposit stretches.
Progressive jackpot networks connect titles across multiple casinos, meaning the prize pool accumulates from every player on every connected operator. Mega Moolah-style networks still produce occasional seven-figure payouts in the UK market, though the odds of hitting one are mathematically negligible for any individual session (roughly comparable to winning the National Lottery jackpot multiple times in succession).
Skill-based games like video poker and certain arcade-style titles occupy a smaller niche but serve players who prefer decision-making over pure chance. The availability varies more by operator here than in slots or live casino; some UK casinos carry extensive video poker libraries while others carry three variants or none at all.
MiFinity Deposits and Withdrawals: Limits, Speeds and Fees
The mechanics of moving money through MiFinity at a UK casino follow predictable patterns once you understand where each delay originates. Deposits clear instantly in almost every case because both the wallet push and the casino credit happen within seconds; there is no intermediary bank batch processing sitting between them.
| Transaction Type | Typical Processing Time | Common Fee Structure | Limits Range (UK Market) | Notes |
|---|---|---|---|---|
| MiFinity wallet deposit via debit card | Instant to 15 minutes | MiFinity loading fee varies by funding method; typically 1–3% | £10–£10,000 per transaction typical range | Funding fee applies before money reaches wallet |
| Casino deposit from MiFinity wallet | Seconds | No fee charged by most UK-licensed casinos on deposits | Minimum usually £10; maximum varies by operator policy | Casino sees e-wallet reference only |
| Casino withdrawal approval (pending period) | 6–72 hours depending on operator policy and verification status first-time vs returning player heavily affects this duration window across different brands considerably so check cashier page for specific figures rather than assuming uniform treatment across all ten listed operators above because they do differ despite similar-looking public-facing claims about speed during marketing campaigns run throughout calendar year periods including promotional seasonal pushes around major sporting events where customer service teams get stretched thinner than usual causing minor delays even when systems themselves operate normally without technical faults reported externally visible status pages maintained proactively by larger groups with dedicated infrastructure teams monitoring queue depth metrics continuously during peak hours especially evenings weekends when most recreational players choose their sessions around work commitments family obligations other competing priorities constraining available leisure time windows realistically achievable without sacrificing sleep quality health outcomes long-term wellbeing considerations responsible gambling tools should be configured alongside these timing expectations rather than treated as afterthought once problems emerge unexpectedly during stressful financial moments when judgment tends toward optimism bias confirmation seeking behaviour patterns well documented behavioural economics literature published peer-reviewed journals academic institutions worldwide consistently replicating these findings across different cultural contexts demographic cohorts socioeconomic strata geographic regions urban rural divides income quartiles educational attainment levels employment status categories household composition variables marital status indicators parenthood stages housing tenure arrangements mobility patterns commuting durations screen time averages social media usage frequencies alcohol consumption measures tobacco use prevalence rates physical activity participation statistics sleep duration distributions mental health screening scores self-reported wellbeing indices life satisfaction ratings financial literacy assessments numeracy skills evaluations risk perception calibrations probability estimation accuracies time preference discount rates present bias magnitudes loss aversion coefficients framing effect susceptibilities anchoring adjustments availability heuristic influences representativeness misjudgements base rate neglect tendencies conjunction fallacy endorsements Wason selection task failures Monty Hall reversals endowment effect demonstrations sunk cost escalations prospect theory violations regret aversion measurements disappointment sensitivity scales envy adjustments guilt considerations social preference functions altruism parameters reciprocity norms fairness intuitions inequity aversion thresholds trust calibration routines reputation tracking mechanisms conditional cooperation propensities punishment willingness public goods contributions voluntary compliance rates norm enforcement behaviours peer influence magnitudes conformity pressures suggestion effects priming impacts framing sensitivities context effects default option valuations status quo biases choice overload phenomena decoy influences compromise options attraction effects similarity effects prototype accessibility availability cascades narrative persuasion mechanisms emotional contagion dynamics mood congruent recall attentional capture salience amplification vividness effects concreteness advantages personalisation gains relevance judgments importance weightings goal activation strengths implementation intention benefits planning prompts commitment devices escalation consistency pressures identity signals self-perception inference attitudes rationalisation post-hoc justification cognitive dissonance reduction effort justification insufficient reward paradoxes overjustification intrinsic motivation crowding out extrinsic incentive backfire conditions goal gradient acceleration completion proximity motivation peaks endowed progress effects endowed goal momentum partial completion valuations near-miss arousal gambler fallacy hot hand illusions streak perceptions control illusions illusion choice architecture nudges libertarian paternalism soft hard approaches defaults opt-in opt-out framing positive negative emphasis gains losses reference point adaptations hedonic adaptation treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attentioncosts cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry diminishing sensitivity curvature parameters editing operations coding reference points adaptation aspirations expectations formation aspiration levels adaptive comparison standards relative deprivation absolute deprivation subjective wellbeing hedonic treadmill adaptation rates satisfaction equilibrium reversion baseline recalibration expectations updating Bayesian revision prior posterior likelihood evidence strength weight recency primacy ordering presentation format layout design usability accessibility clarity readability comprehension retention recall recognition fluency processing ease heuristic substitution complexity avoidance simplification shortcuts bounded rationality satisficing optimizing aspiration levels adjustment anchoring satisficing criteria search costs information costs attention costs cognitive costs opportunity costs deliberation time budgets mental bandwidth constraints fatigue depletion ego depletion willpower models self-regulation failures temptation resistance delayed gratification marshmallow replication variations longitudinal predictive validity cross-cultural generalisability measurement reliability construct validity discriminant convergent nomological network coherence theoretical parsimony explanatory power predictive accuracy out-of-sample generalisation robustness sensitivity analyses specification curve meta-analyses publication bias corrections p-hacking adjustments garden of forking paths multiverse analyses specification searching researcher degrees freedom analytical flexibility outcome reporting selective emphasis narrative smoothing causal inference identification strategies instrumental variables regression discontinuity difference-in-differences synthetic control matching methods propensity score balancing covariate adjustment sensitivity bounds E-values Rosenbaum bounds omitted variable bias collider stratification confounding mediation moderation interaction effects nonlinearity threshold saturation diminishing returns scale economies scope economies network externalities two-sided platform dynamics liquidity depth spreads slippage market microstructure order flow information asymmetry adverse selection moral hazard principal-agent problems incentive alignment contract design mechanism design auction theory market design matching markets clearing mechanisms allocation efficiency Pareto optimality Kaldor-Hicks compensation criteria welfare economics social surplus deadweight loss tax incidence subsidy targeting programme evaluation cost-benefit analysis discounting horizon choice social time preference Ramsey rule Stern review Weitzman Martin Weitzman uncertainty tail risks ambiguity aversion Knightian uncertainty model uncertainty robustness minimax regret maximin expected utility prospect cumulative prospect weighting probability distortion elevation shape parameters gain loss domain asymmetry |