Article | Theoretical Economics | Forthcoming

Chain Stability in Trading Networks

by John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp

Abstract

We show that in general trading networks with bilateral contracts, a suitably adapted chain stability concept (Ostrovsky, 2008) is equivalent to stability (Hatfield and Kominers, 2012; Hatfield et al., 2013) if all agents' preferences are fully substitutable and satisfy the Laws of Aggregate Supply and Demand. Furthermore, in the special case of trading networks with transferable utility, an outcome is consistent with competitive equilibrium if and only if it is not blocked by any chain of contracts.

Keywords: Competitive equilibrium; Contracts; Market Design; Balance and Stability;

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Citation:

Hatfield, John William, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky, and Alexander Westkamp. "Chain Stability in Trading Networks." Theoretical Economics (forthcoming).

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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