Supermodularity and preferences

Christopher Chambers and Federico Echenique

Journal of Economic Theory, 2009, vol. 144, issue 3, 1004-1014

Abstract: We uncover the complete ordinal implications of supermodularity on finite lattices under the assumption of weak monotonicity. In this environment, we show that supermodularity is ordinally equivalent to the notion of quasisupermodularity introduced by Milgrom and Shannon. We conclude that supermodularity is a weak property, in the sense that many preferences have a supermodular representation.

Keywords: Complementarity; Revealed; preference; Afriat's; theorem; Refutability (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (29)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jetheo:v:144:y:2009:i:3:p:1004-1014

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