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Decentralized Exchange

Author

Listed:
  • Semyon Malamud

    (Ecole Polytechnique Federale de Lausanne, Centre for Economic Policy Research (CEPR), and Swiss Finance Institute)

  • Marzena J. Rostek

    (University of Wisconsin)

Abstract

Most assets are traded in multiple interconnected trading venues. This paper develops an equilibrium model of decentralized markets that accommodates general market structures with coexisting exchanges. Decentralized markets can allocate risk among traders with different risk preferences more efficiently, thus realizing gains from trade that cannot be reproduced in centralized markets. Market decentralization always increases price impact. Yet, markets in which assets are traded in multiple exchanges, whether they are disjoint or intermediated, can give higher welfare than the centralized market with the same traders and assets. In decentralized markets, demand substitutability across assets is endogenous and heterogeneous among traders.

Suggested Citation

  • Semyon Malamud & Marzena J. Rostek, 2018. "Decentralized Exchange," Swiss Finance Institute Research Paper Series 18-25, Swiss Finance Institute, revised Apr 2018.
    • Handle: RePEc:chf:rpseri:rp1825
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    More about this item

    JEL classification:

    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions
    • D85 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Network Formation
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates

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