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Trading in Networks: Theory and Experiments

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  • Syngjoo Choi
  • Andrea Galeotti
  • Sanjeev Goyal

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 node criticality as an organizing principle for understanding pricing, efficiency and the division of surplus in networked markets.

Suggested Citation

  • Syngjoo Choi & Andrea Galeotti & Sanjeev Goyal, 2014. "Trading in Networks: Theory and Experiments," Cambridge Working Papers in Economics 1457, Faculty of Economics, University of Cambridge.
  • Handle: RePEc:cam:camdae:1457
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    Cited by:

    1. Zhang, Hongwei & Wang, Ying & Zhu, Xuehong & Guo, Yaoqi, 2020. "The impact of energy trade patterns on CO2 emissions: An emergy and network analysis," Energy Economics, Elsevier, vol. 92(C).
    2. Kostas Bimpikis & Shayan Ehsani & Rahmi İlkılıç, 2019. "Cournot Competition in Networked Markets," Management Science, INFORMS, vol. 67(6), pages 2467-2481, June.
    3. Jiao, Jianling & Jiang, Guili & Yang, Ranran, 2018. "Impact of R&D technology spillovers on carbon emissions between China’s regions," Structural Change and Economic Dynamics, Elsevier, vol. 47(C), pages 35-45.
    4. Antinyan, Armenak & Horváth, Gergely & Jia, Mofei, 2020. "Positional concerns and social network structure: An experiment," European Economic Review, Elsevier, vol. 129(C).
    5. Goyal, S., 2018. "Heterogeneity and Networks," Cambridge Working Papers in Economics 1812, Faculty of Economics, University of Cambridge.
    6. Donna, Javier D. & Schenone, Pablo & Veramendi, Gregory F., 2020. "Networks, frictions, and price dispersion," Games and Economic Behavior, Elsevier, vol. 124(C), pages 406-431.
    7. Aller, Carlos & Ductor, Lorenzo & Grechyna, Daryna, 2021. "Robust determinants of CO2 emissions," Energy Economics, Elsevier, vol. 96(C).
    8. Gallo, Edoardo, 2020. "Communication networks in markets," European Economic Review, Elsevier, vol. 129(C).
    9. Choi, S. & Goyal, S. & Moisan, F., 2020. "Brokerage," Cambridge Working Papers in Economics 2005, Faculty of Economics, University of Cambridge.
    10. Mr. Alexei P Kireyev & Andrei Leonidov, 2016. "A Network Model of Multilaterally Equilibrium Exchange Rates," IMF Working Papers 2016/130, International Monetary Fund.
    11. repec:hrv:hksfac:35165081 is not listed on IDEAS
    12. Edoardo Gallo & Chang Yan, 2015. "Effciency and equilibrium in network games: An experiment," Cambridge Working Papers in Economics 1546, Faculty of Economics, University of Cambridge.
    13. Kotowski, Maciej H. & Leister, C. Matthew, 2018. "Trading Networks and Equilibrium Intermediation," Working Paper Series rwp18-001, Harvard University, John F. Kennedy School of Government.
    14. Syngjoo Choi & Edoardo Gallo & Shachar Kariv, 2015. "Networks in the laboratory," Cambridge Working Papers in Economics 1551, Faculty of Economics, University of Cambridge.
    15. Felipe Maciel Cardoso & Carlos Gracia-Lázaro & Frederic Moisan & Sanjeev Goyal & Angel Sánchez & Yamir Moreno, 2020. "Effect of Network Topology and Node Centrality on Trading," Post-Print hal-03188212, HAL.
    16. Kariv, Shachar & Kotowski, Maciej H. & Leister, C. Matthew, 2018. "Liquidity risk in sequential trading networks," Games and Economic Behavior, Elsevier, vol. 109(C), pages 565-581.
    17. Christoph Aymanns & Co-Pierre Georg & Benjamin Golub, 2017. "Illiquidity spirals in Coupled Over-The-Counter Markets," Working Papers on Finance 1810, University of St. Gallen, School of Finance.
    18. Giovannetti, Emanuele & Sigloch, Sebastian, 2015. "An Internet periphery study: Network centrality and clustering for mobile access in Bhutan," Telecommunications Policy, Elsevier, vol. 39(7), pages 608-622.
    19. Choi, S. & Goyal, G. & Moisan, F., 2020. "Large Scale Experiments on Networks: A New Platform with Applications," Cambridge Working Papers in Economics 2063, Faculty of Economics, University of Cambridge.

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    More about this item

    Keywords

    Intermediation; competition; market power; double marginalization.;
    All these keywords.

    JEL classification:

    • C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
    • C91 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Individual Behavior
    • C92 - Mathematical and Quantitative Methods - - Design of Experiments - - - Laboratory, Group Behavior
    • D40 - Microeconomics - - Market Structure, Pricing, and Design - - - General

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