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Repo Rates and the Collateral Spread Puzzle

Author

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  • Kjell G. Nyborg

    (University of Zurich - Department of Banking and Finance; Centre for Economic Policy Research (CEPR); Swiss Finance Institute)

Abstract

Repo rates frequently exceed unsecured rates in practice. As an explanation, this paper derives a constrained-arbitrage relation between the unsecured rate, the repo rate, and the illiquidity adjusted expected rate of return of the underlying collateral. The theory is based on unsecured borrowing constraints in the market for liquidity. Repos and security cash-market trades are alternative means to get liquidity. Collateral spreads (unsecured less repo rate) can turn negative if borrowing constraints tighten, unsecured rates spike down, or from a depressed and illiquid security market. The constrained-arbitrage theory sheds light on the evolution of collateral spreads over time.

Suggested Citation

  • Kjell G. Nyborg, 2019. "Repo Rates and the Collateral Spread Puzzle," Swiss Finance Institute Research Paper Series 19-04, Swiss Finance Institute.
    • Handle: RePEc:chf:rpseri:rp1904
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    Cited by:

    1. Eisenschmidt, Jens & Ma, Yiming & Zhang, Anthony Lee, 2022. "Monetary policy transmission in segmented markets," Working Paper Series 2706, European Central Bank.
    2. Klingler, Sven & Syrstad, Olav, 2021. "Life after LIBOR," Journal of Financial Economics, Elsevier, vol. 141(2), pages 783-801.
    3. Angelo Ranaldo & Benedikt Ballensiefen & Hannah Winterberg, 2020. "Monetary policy disconnect," Working Papers on Finance 2003, University of St. Gallen, School of Finance.

    More about this item

    Keywords

    collateral spread; constrained-arbitrage; liquidity; market linkages; repo rate; unsecured rate; general collateral;
    All these keywords.

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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