Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/150264
Authors: 
Ostrovsky, Michael
Paes Leme, Renato
Year of Publication: 
2015
Citation: 
[Journal:] Theoretical Economics [ISSN:] 1555-7561 [Volume:] 10 [Year:] 2015 [Issue:] 3 [Pages:] 853-865
Abstract: 
We show that the class of preferences satisfying the Gross Substitutes condition of Kelso and Crawford (1982) is strictly larger than the class of Endowed Assignment Valuations of Hatfield and Milgrom (2005), thus resolving the open question posed by the latter paper. In particular, our result implies that not every substitutable valuation function can be "decomposed" into a combination of unit-demand valuations.
Subjects: 
Substitutability
matching
combinatorial auctions
matroids
JEL: 
C78
D44
D47
Persistent Identifier of the first edition: 
Creative Commons License: 
https://creativecommons.org/licenses/by-nc/3.0/
Document Type: 
Article

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