expected utility theory (with John von Neumann)

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Expected utility theory (with John von Neumann) is a foundational framework in economics and decision theory that models how rational agents make choices under uncertainty by maximizing the expected value of a utility function.

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Predicate Object
instanceOf decision theory
economic theory
mathematician
normative theory of choice
physicist
theory of rational choice under risk
appliesTo choices among risky lotteries
decisions under risk
assumes agents have a utility function over outcomes
expected utility axiom
independence axiom
preferences are continuous
preferences over lotteries are complete
preferences over lotteries are transitive
characterizes rational choice under risk
coauthored Theory of Games and Economic Behavior
contrastsWith expected value maximization of monetary payoffs
coreIdea rational agents maximize expected utility rather than expected monetary value
criticizedBy prospect theory
criticizedFor inability to explain Allais paradox
inability to explain Ellsberg paradox
violations of independence axiom in empirical data
describedIn Theory of Games and Economic Behavior
developedBy John von Neumann
Oskar Morgenstern
entails risk attitudes are captured by curvature of utility function
field decision theory
economics
game theory
formalizedBy von Neumann–Morgenstern utility theorem
hasVariant von Neumann–Morgenstern expected utility theory
implies choices can be represented as maximization of expected utility
influenced finance theory
game theory
modern microeconomic theory
risk analysis
welfare economics
influencedBy Bernoulli’s theory of utility
knownFor co-founding expected utility theory
mathematicalForm EU(a)=Σ p_i u(x_i) over possible outcomes x_i with probabilities p_i
publicationYear 1944
requires cardinal utility up to positive affine transformations
usedIn cost–benefit analysis
expected utility maximization models in macroeconomics
insurance economics
portfolio choice theory
usesConcept lottery over outcomes
probability distribution over outcomes
utility function

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Referenced by (10)

Full triples — surface form annotated when it differs from this entity's canonical label.

Oskar Morgenstern theoryDeveloped expected utility theory (with John von Neumann)
John von Neumann knownFor minimax theorem
linked to: expected utility theory (with John von Neumann)
John von Neumann notableConcept von Neumann–Morgenstern utility theorem
linked to: expected utility theory (with John von Neumann)
Nash bargaining solution assumes von Neumann–Morgenstern utility functions
linked to: expected utility theory (with John von Neumann)
expected utility theory hasVariant von Neumann–Morgenstern expected utility theory
linked to: expected utility theory (with John von Neumann)
expected utility theory formalizedBy von Neumann–Morgenstern utility theorem
linked to: expected utility theory (with John von Neumann)
Pascal's wager relatedConcept expected utility theory
linked to: expected utility theory (with John von Neumann)
Prospect theory contrastsWith expected utility theory
subject linked to: prospect theory
linked to: expected utility theory (with John von Neumann)
Fisher separation theorem relatedTo expected utility theory
linked to: expected utility theory (with John von Neumann)
behavioral economics critiques expected utility theory
linked to: expected utility theory (with John von Neumann)