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A Theory of Collateral for the Lender of Last Resort
[Imperfect competition in the interbank market for liquidity as a rationale for central banking]

Author

Listed:
  • Dong Beom Choi
  • João A C Santos
  • Tanju Yorulmazer

Abstract

We consider a macroprudential approach to analyze the optimal lending policy for the central bank, focusing on spillover effects that policy exerts on money markets. Lending against high-quality collateral protects central banks against losses, but can adversely affect liquidity creation in markets since high-quality collateral gets locked up with the central bank rather than circulating in markets. Lending against low-quality collateral creates counterparty risk but can improve liquidity in markets. We illustrate the optimal policy incorporating these trade-offs. Contrary to what is generally accepted, lending against high-quality collateral can have negative effects, whereas it may be optimal to lend against low-quality collateral.

Suggested Citation

  • Dong Beom Choi & João A C Santos & Tanju Yorulmazer, 2021. "A Theory of Collateral for the Lender of Last Resort [Imperfect competition in the interbank market for liquidity as a rationale for central banking]," Review of Finance, European Finance Association, vol. 25(4), pages 973-996.
    • Handle: RePEc:oup:revfin:v:25:y:2021:i:4:p:973-996.
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    Citations

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    Cited by:

    1. Garvin, Nicholas, 2024. "Emergency liquidity injections," International Review of Economics & Finance, Elsevier, vol. 89(PA), pages 1496-1513.
    2. Alves, Nuno & Bonfim, Diana & Soares, Carla, 2021. "Surviving the perfect storm: The role of the lender of last resort☆," Journal of Financial Intermediation, Elsevier, vol. 47(C).
    3. Mitchener, Kris & Monnet, Eric, 2023. "Connected Lending of Last Resort," CEPR Discussion Papers 17831, C.E.P.R. Discussion Papers.
    4. Francesco Giovanardi & Matthias Kaldorf & Lucas Radke & Florian Wicknig, 2023. "The Preferential Treatment of Green Bonds," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 51, pages 657-676, December.
    5. König, Philipp Johann & Mayer, Paul & Pothier, David, 2022. "Optimal timing of policy interventions in troubled banks," Discussion Papers 10/2022, Deutsche Bundesbank.
    6. Matthias Kaldorf & Florian Wicknig, 2021. "Risky Financial Collateral, Firm Heterogeneity, and the Impact of Eligibility Requirements," ECONtribute Discussion Papers Series 123, University of Bonn and University of Cologne, Germany.
    7. Cole, Rebel A. & Cowling, Marc & Liu, Weixi, 2024. "The effect of collateral on small business rationing of term loans and lines of credit," Journal of Financial Stability, Elsevier, vol. 74(C).
    8. Greppmair, Stefan & Paludkiewicz, Karol & Steffen, Sascha, 2025. "Collateral easing and safe asset scarcity: How money markets benefit from low-quality collateral," Discussion Papers 20/2025, Deutsche Bundesbank.
    9. Choi, Dong Beom & Yorulmazer, Tanju, 2024. "Whatever it takes? Market maker of last resort and its fragility," Journal of Financial Intermediation, Elsevier, vol. 60(C).
    10. Zhao Li & Kebin Ma, 2022. "Contagious Bank Runs and Committed Liquidity Support," Management Science, INFORMS, vol. 68(12), pages 9152-9174, December.
    11. Xiao, Zumian & Ma, Shiqun & Zhang, Zhenqi & Xiang, Lijin, 2024. "Shaping sustainable future: The role of central bank in galvanizing corporate ESG performance," Finance Research Letters, Elsevier, vol. 67(PA).
    12. repec:bdi:wptemi:misp_032_23 is not listed on IDEAS
    13. Schmidt, Kirsten, 2019. "Does liquidity regulation impede the liquidity profile of collateral?," Working Paper Series 2256, European Central Bank.
    14. Paavola, Aleksi & Voutilainen, Ville, 2024. "Central bank collateral policy and credit pricing: Evidence from Finland," Bank of Finland Research Discussion Papers 7/2024, Bank of Finland.
    15. Francesco Giovanardi & Matthias Kaldorf & Lucas Radke & Florian Wicknig, 2023. "The Preferential Treatment of Green Bonds," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 51, pages 657-676, December.
    16. Raffaele Lenzi & Stefano Nobili & Filippo Perazzoli & Rosario Romeo, 2023. "Banks’ liquidity transformation rate: determinants and impact on lending," Mercati, infrastrutture, sistemi di pagamento (Markets, Infrastructures, Payment Systems) 32, Bank of Italy, Directorate General for Markets and Payment System.
    17. König, Philipp J. & Mayer, Paul & Pothier, David, 2024. "Optimal timing of policy interventions in troubled banks," Journal of Financial Intermediation, Elsevier, vol. 60(C).

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