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Faculty of Economics

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Choi, S., Galeotti, A and Goyal, S.

Trading in Networks: Theory and Experiments

Journal of the European Economic Association

Vol. 15(4) pp. 784–817 (2017)

Abstract: We propose a model of posted prices in networks. The model maps traditional concepts of market power, competition and double marginalization into networks, allowing for the study of pricing in complex structures of intermediation, such as supply chains, transportation and communication networks and financial brokerage. We provide a complete characterization of equilibrium prices. Our experiments complement our theoretical work and point to $\textit{node criticality}$ as an organizing principle for understanding pricing, efficiency and the division of surplus in networked markets.

Keywords: Intermediation, Competition, Coordination

JEL Codes: C70, C71, C91, C92, D40

Author links: Sanjeev Goyal  

Publisher's Link: https://doi.org/10.1093/jeea/jvw016

Keynes Fund Project(s):
Experiments on Financial Networks (JHLB)  
Experiments on 'Networked Markets' (JHLR)  



Cambridge Working Paper in Economics Version of Paper: Trading in Networks: Theory and Experiments, Cho, S., Galeotti, A. and Goyal, S., (2014)

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