Presentation and structure of substitutes valuations

Authors:
Meir Bing;Daniel Lehmann;Paul Milgrom
Affiliations:
Hebrew University, Jerusalem, Israel;Hebrew University, Jerusalem, Israel;Stanford University, Stanford, CA
Venue:
EC '04 Proceedings of the 5th ACM conference on Electronic commerce
Year:
2004

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Abstract

We propose two different methods for presenting substitutes (a.k.a. gross-substitutes) valuations. Each provides short descriptions for a family of substitutes valuations. We also show that substitutes valuation are closed under k-satiation.