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  2. Condorcet paradox - Wikipedia

    en.wikipedia.org/wiki/Condorcet_paradox

    In social choice theory, Condorcet's voting paradox is a fundamental discovery by the Marquis de Condorcet that majority rule is inherently self-contradictory.The result implies that it is logically impossible for any voting system to guarantee that a winner will have support from a majority of voters: for example there can be rock-paper-scissors scenario where a majority of voters will prefer ...

  3. Social choice theory - Wikipedia

    en.wikipedia.org/wiki/Social_choice_theory

    Social choice theory is a branch of welfare economics that extends the theory of rational choice to collective decision-making. [1] Social choice studies the behavior of different mathematical procedures ( social welfare functions ) used to combine individual preferences into a coherent whole.

  4. Arrow's impossibility theorem - Wikipedia

    en.wikipedia.org/wiki/Arrow's_impossibility_theorem

    However, Arrow's theorem is substantially broader, and can be applied to methods of social decision-making other than voting. It therefore generalizes Condorcet's voting paradox, and shows similar problems exist for every collective decision-making procedure based on relative comparisons. [1]

  5. Category:Decision-making paradoxes - Wikipedia

    en.wikipedia.org/wiki/Category:Decision-making...

    Paradoxes in utility theory (4 P) Pages in category "Decision-making paradoxes" The following 34 pages are in this category, out of 34 total.

  6. Buridan's ass - Wikipedia

    en.wikipedia.org/wiki/Buridan's_ass

    Since the paradox assumes the ass will always go to whichever is closer, it dies of both hunger and thirst since it cannot make any rational decision between the hay and water. [1] A common variant of the paradox substitutes the hay and water for two identical piles of hay; the ass, unable to choose between the two, dies of hunger. The paradox ...

  7. Decision theory - Wikipedia

    en.wikipedia.org/wiki/Decision_theory

    The mythological Judgement of Paris required selecting from three incomparable alternatives (the goddesses shown).. Decision theory or the theory of rational choice is a branch of probability, economics, and analytic philosophy that uses the tools of expected utility and probability to model how individuals would behave rationally under uncertainty.

  8. Paradox of voting - Wikipedia

    en.wikipedia.org/wiki/Paradox_of_voting

    The paradox of voting, also called Downs' paradox, is that for a rational and egoistic voter (Homo economicus), the costs of voting will normally exceed the expected benefits. Because the chance of exercising the pivotal vote is minuscule compared to any realistic estimate of the private individual benefits of the different possible outcomes ...

  9. Public choice - Wikipedia

    en.wikipedia.org/wiki/Public_choice

    [1] It includes the study of political behavior. In political science, it is the subset of positive political theory that studies self-interested agents (voters, politicians, bureaucrats) and their interactions, which can be represented in a number of ways—using (for example) standard constrained utility maximization, game theory, or decision ...