December 1951
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3,056 Citations
The American Catholic Sociological Review
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... Arrow's Impossibility Theorem (Arrow 1951(Arrow , 1963 states that for social choice problems involving at least three alternatives, any method of transforming an arbitrary collection of individual preferences into a social preference 1 is subject to the following constraint (see Section 2 for a formal statement): if the method respects unanimous individual strict preferences, as required by the Pareto principle, and makes the social preference on two alternatives independent of individual preferences on other alternatives, as required by Independence of Irrelevant Alternatives (IIA), then the method is a dictatorship. Here dictatorship means that there is a single individual whose strict preference is always copied by the social preference, no matter the preferences of other individuals. ...
- Citing Article
December 1951
The American Catholic Sociological Review