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Endogenous Intermediation in Over-the-Counter Markets

Author

Listed:
  • Babus, Ana
  • Hu, Tai-Wei
Abstract
We provide a theory of trading through intermediaries in OTC markets. The role of intermediaries is to sustain unsecured trade. When agents trade without collateral, total surplus can increase. In our model, traders are connected through a network. Agents observe their neighbors' actions, and can trade with their counterparty in a given period through a path of intermediaries in the network. If trade is unsecured, agents can renege on their obligations. We show that trading through a network is essential to support unsecured trade, when agents infrequently meet the same counterparty in the market. However, intermediaries must receive fees to have the incentive to implement unsecured trades. While trade without collateral can be sustained in many networks, the efficiency gains are higher in a star network. The center agent in a star can receive higher fees as well. Moreover, concentrated intermediation is a stable structure, when agents incur linking costs.

Suggested Citation

  • Babus, Ana & Hu, Tai-Wei, 2015. "Endogenous Intermediation in Over-the-Counter Markets," CEPR Discussion Papers 10708, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:10708
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    Over-the-counter trading; Strategic default; Dynamic network formation;
    All these keywords.

    JEL classification:

    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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