Working Papers

We develop a theory of measurement scales for utility functions, based on a generalization of the notion of numeraire commodity. Every …
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Cycles in revealed preference data are often regarded as fundamental units of choice-theoretic inconsistency. Contrary to this, we …
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We characterize those ex-ante restrictions on the random utility model which lead to identification. We first identify a simple class …
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We consider the problem of rationalizing choice data by a preference satisfying an arbitrary collection of invariance axioms. Examples …
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We develop a least squares theory for the empirical study of models of preference and individual decision-making. Our approach utilizes …
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We analyze mergers and entry in a differentiated products oligopoly model of price competition. Any merger that does not yield …
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We investigate the manner in which the power of the weak axiom of revealed preference is affected by the completeness of the choice …
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In this note, we provide a proof of the finiteness and oddness of the set of Nash equilibria of generic finite normal form games as a …
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