WARP and combinatorial choice

Samson Alva

Journal of Economic Theory, 2018, vol. 173, issue C, 320-333

Abstract: For combinatorial choice problems, I show that the Irrelevance of Rejected Items condition is equivalent to the Weak Axiom of Revealed Preference (WARP), and is necessary and sufficient for the existence of a complete, reflexive and antisymmetric rationalization of a combinatorial choice function. I also show the equivalence of WARP to path independence and to other classical choice conditions when the choice domain is combinatorial.

Keywords: Combinatorial choice; Rationalizability; Weak axiom of revealed preference; Irrelevance of rejected contracts; Path independence (search for similar items in EconPapers)
JEL-codes: C78 D01 (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jetheo:v:173:y:2018:i:c:p:320-333

DOI: 10.1016/j.jet.2017.11.007

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