A note on duality in consumer theory

Susanne Fuchs-Seliger ()
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Susanne Fuchs-Seliger: Institut fØr Wirtschaftstheorie und Operations Research, UniversitÄt Karlsruhe, Kollegium am Schloñ, Kaiserstrañe 12, D-76128 Karlsruhe, GERMANY

Economic Theory, 1999, vol. 13, issue 1, 239-246

Abstract: In this paper we will show that upper semicontinuity of the indirect utility function implies the upper semicontinuity of the direct utility function. By strengthening the assumptions, one can also deduce the continuity of the utility function. Based on indirect utility functions a model of consumer behavior will be established.

Date: 1998-12-04
Note: Received: December 26, 1996; revised version: August 25, 1997
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