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Synthetic or Real? The Equilibrium Effects of Credit Default Swaps on Bond Markets

  1. Martin Oehmke
  1. Columbia University
  1. Adam Zawadowski
  1. Boston University and Central European University
  1. Send correspondence to Martin Oehmke, Columbia Business School, 420 Uris Hall, 3022 Broadway, New York, NY 10027; telephone: 212-851-1804. Email: moehmke{at}columbia.edu.

Abstract

We provide a model of nonredundant credit default swaps (CDSs), building on the observation that CDSs have lower trading costs than bonds. CDS introduction involves a trade-off: it crowds out existing demand for the bond, but improves the bond allocation by allowing long-term investors to become levered basis traders and absorb more of the bond supply. We characterize conditions under which CDS introduction raises bond prices. The model predicts a negative CDS-bond basis, as well as turnover and price impact patterns that are consistent with empirical evidence. We also show that a ban on naked CDSs can raise borrowing costs.

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  1. Rev. Financ. Stud. doi: 10.1093/rfs/hhv047
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  2. All Versions of this Article:
    1. hhv047v1
    2. hhv047v2
    3. 28/12/3303 most recent

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