Article | American Economic Journal: Microeconomics

Matching in Networks with Bilateral Contracts: Corrigendum

by John William Hatfield, Ravi Jagadeesan and Scott Duke Kominers

Abstract

Hatfield and Kominers (2012) introduced a model of matching in networks with bilateral contracts and showed that stable outcomes exist in supply chains when firms' preferences over contracts are fully substitutable. Hatfield and Kominers (2012) also asserted that in their setting, full substitutability is equivalent to the assumption that all indirect utility representations of each firm's preferences are quasisubmodular; we show here that this claimed equivalence result does not hold in general. We show instead that full substitutability is equivalent to weak quasisubmodularity of all indirect utility representations.

Keywords: Matching with Contracts; Substitutability; Mathematical Methods;

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Citation:

Hatfield, John William, Ravi Jagadeesan, and Scott Duke Kominers. "Matching in Networks with Bilateral Contracts: Corrigendum." American Economic Journal: Microeconomics 12, no. 3 (August 2020): 277–285.

About the Author

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Scott Duke Kominers
MBA Class of 1960 Associate Professor of Business Administration
Entrepreneurial Management

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