Identifying combinatorial valuations from aggregate demand

Itai Sher and Kyoo il Kim ()

Journal of Economic Theory, 2014, vol. 153, issue C, 428-458

Abstract: We study identification of combinatorial valuations from aggregate demand. Each utility function takes as arguments subsets or, alternatively, quantities of the multiple goods. We exploit mathematical insights from auction theory to generically identify the distribution of utility functions. In our setting, aggregate demand for each item is observable while demand for bundles is not. Nevertheless, our identification result allows us to recover the latter.

Keywords: Combinatorial valuations; Identification; Distribution of utility functions; Submodularity; Gross substitutes; Combinatorial auctions (search for similar items in EconPapers)
JEL-codes: C14 D11 D44 (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jetheo:v:153:y:2014:i:c:p:428-458

DOI: 10.1016/j.jet.2014.07.009

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