**Arrow's impossibility theorem** — In social choice theory, Arrow’s impossibility theorem, the General Possibility Theorem, or Arrow’s paradox, states that, when voters have three or more distinct alternatives (options), no voting system can convert the ranked preferences of… … Wikipedia

**Arrow's Impossibility Theorem** — A social choice paradox illustrating the impossibility of having an ideal voting structure that is reflective of specific fairness criteria, such as Pareto efficiency. Arrow s impossibility theorem states that a clear order of preferences cannot… … Investment dictionary

**May's theorem** — In social choice theory, May s theorem states that simple majority voting is the only anonymous, neutral, and monotone choice function between two alternatives. Further, this procedure is resolute when there are an odd number of voters and ties… … Wikipedia

**Green's theorem** — In physics and mathematics, Green s theorem gives the relationship between a line integral around a simple closed curve C and a double integral over the plane region D bounded by C . It is the two dimensional special case of the more general… … Wikipedia

**Arrow, Kenneth J.** — ▪ American economist in full Kenneth Joseph Arrow born August 23, 1921, New York, New York, U.S. American economist known for his contributions to welfare economics and to general economic equilibrium theory. He was cowinner (with Sir… … Universalium

**ARROW, KENNETH JOSEPH** — (1921– ), U.S. economist and Nobel laureate. Arrow was born in New York and received his doctorate from Columbia University in 1951. He was appointed professor of economics and statistics at Stanford University, California, in 1953. Appointed in… … Encyclopedia of Judaism

**Arrow paradox (disambiguation)** — Arrow paradox may mean: *Zeno s paradox about infinity and the movement of an arrow *Kenneth Arrow s impossibility theorem about social choice and voting *Kenneth Arrow s fundamental paradox of information: its value for the purchaser is not… … Wikipedia

**Arrow (disambiguation)** — An arrow is a projectile launched from a bow.Arrow may also refer to:→ symbolArrow (symbol), e.g. →, indicating direction or movement, including: * →, representing a vector in physics and mathematics. * →, representing a material implication in… … Wikipedia

**Arrow of time** — This article is an overview of the subject. For a more technical discussion and for information related to current research, see Entropy (arrow of time). In the natural sciences, arrow of time, or time’s arrow, is a term coined in 1927 by British … Wikipedia

**Arrow-Paradox** — Das von dem Ökonom und Nobelpreisträger Kenneth Arrow formulierte und nach ihm benannte Arrow Theorem (auch Arrow Paradoxon oder Allgemeines Unmöglichkeitstheorem genannt) weist nach, dass es unmöglich ist, aus den Präferenzen der Individuen… … Deutsch Wikipedia