Decision-making paradoxes

mathematical problem

philosophical paradox regarding free will

logical paradox in decision-making theory

Result that no ranked-choice system is spoilerproof

paradox involving a game with repeated coin flipping

Marquis de Condorcet's observation regarding times when voters' collective preferences are cyclic, even when voters' individual preferences are not

social phenomenon in which a group of people collectively decide on a course of action that is counter to the preferences of many or all of the individuals in the group

thought experiment about a game involving a reliable predictor of the player’s actions

apparent violation of the predictions of expected utility theory

brain teaser, puzzle, or paradox in logic, probability, and recreational mathematics

paradox in decision theory

paradox in game theory in which a combination of losing strategies becomes a winning strategy

mathematical problem

book by economist Hans-Werner Sinn

Solving a problem by solving a larger problem

the paradox that larger the electorate, the less each vote matters

false dilemma in which contradictory observations lead to the same conclusion

situation where the majority of cases of a disease come from a population at low risk

selling of assets that have increased in value, while keeping assets that have dropped in value

cognitive bias relating to mis-estimating success based on perceived difficulty

philosophical thought experiment: “A mugger, who forgot his weapon, proposes a deal to Pascal: ‘you give me your wallet, and I will give you N times the money, where N is large enough to compensate for the low probability of me honoring the deal’”

apparent game theory paradox involving the chain store game, where a "deterrence strategy" appears optimal instead of the backward induction strategy of standard game theory reasoning