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Financial Regulation in a Quantitative Model of the Modern Banking System

Author

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  • Juliane Begenau
  • Tim Landvoigt

Abstract

How does the shadow banking system respond to changes in capital regulation of commercial banks? We propose a quantitative general equilibrium model with regulated and unregulated banks to study the unintended consequences of regulation. Tighter capital requirements for regulated banks cause higher convenience yield on debt of all banks, leading to higher shadow bank leverage and a larger shadow banking sector. At the same time, tighter regulation eliminates the subsidies to commercial banks from deposit insurance, reducing the competitive pressures on shadow banks to take risks. The net effect is a safer financial system with more shadow banking. Calibrating the model to data on financial institutions in the U.S., the optimal capital requirement is around 16%.

Suggested Citation

  • Juliane Begenau & Tim Landvoigt, 2021. "Financial Regulation in a Quantitative Model of the Modern Banking System," NBER Working Papers 28501, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:28501
    Note: AP CF EEE
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    Cited by:

    1. Alpanda, Sami & Aysun, Uluc, 2022. "Regulatory arbitrage and economic stability," Journal of International Money and Finance, Elsevier, vol. 129(C).
    2. Vadim Elenev & Tim Landvoigt & Stijn Van Nieuwerburgh, 2021. "A Macroeconomic Model With Financially Constrained Producers and Intermediaries," Econometrica, Econometric Society, vol. 89(3), pages 1361-1418, May.
    3. William Chen & Gregory Phelan, 2023. "Should Monetary Policy Target Financial Stability," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 49, pages 181-200, July.
    4. Matteo Benetton, 2021. "Leverage Regulation and Market Structure: A Structural Model of the U.K. Mortgage Market," Journal of Finance, American Finance Association, vol. 76(6), pages 2997-3053, December.
    5. Eduardo Dávila & Ansgar Walther, 2021. "Corrective Regulation with Imperfect Instruments," NBER Working Papers 29160, National Bureau of Economic Research, Inc.
    6. Hibiki Ichiue & Jean-Guillaume Sahuc & Yasin Mimir & Jolan Mohimont & Kalin Nikolov & Olivier de Bandt & Sigrid Roehrs & Valério Scalone & Michael Straughan & Bora Durdu, 2022. "Assessing the Impact of Basel III: Evidence from Structural Macroeconomic Models," Working Papers hal-04159816, HAL.
    7. Sang Rae Kim, 2024. "Financial Crisis as a Run on Profitable Banks," Annals of Economics and Finance, Society for AEF, vol. 25(1), pages 213-250, May.
    8. di Iasio, Giovanni & Kaufmann, Christoph & Wicknig, Florian, 2022. "Macroprudential regulation of investment funds," Working Paper Series 2695, European Central Bank.
    9. Retselisitsoe I. Thamae & Nicholas M. Odhiambo, 2022. "The impact of bank regulation on bank lending: a review of international literature," Journal of Banking Regulation, Palgrave Macmillan, vol. 23(4), pages 405-418, December.
    10. Jason Roderick Donaldson & Giorgia Piacentino & Anjan Thakor, 2021. "Intermediation Variety," Journal of Finance, American Finance Association, vol. 76(6), pages 3103-3152, December.
    11. C. Bora Durdu & Molin Zhong, 2023. "Understanding Bank and Nonbank Credit Cycles: A Structural Exploration," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 55(1), pages 103-142, February.
    12. Ugochi Emenogu & Brian Peterson, 2022. "Unregulated Lending, Mortgage Regulations and Monetary Policy," Staff Working Papers 22-28, Bank of Canada.
    13. Shukayev, Malik & Ueberfeldt, Alexander, 2021. "Are Bank Bailouts Welfare Improving?," Working Papers 2021-10, University of Alberta, Department of Economics.
    14. Yifei Wang & Toni M. Whited & Yufeng Wu & Kairong Xiao, 2022. "Bank Market Power and Monetary Policy Transmission: Evidence from a Structural Estimation," Journal of Finance, American Finance Association, vol. 77(4), pages 2093-2141, August.
    15. Gerba, Eddie & Katsoulis, Petros, 2021. "The repo market under Basel III," Bank of England working papers 954, Bank of England.
    16. Paymon Khorrami & Fernando Mendo, 2021. "Rational Sentiments and Financial Frictions," Working Papers Central Bank of Chile 928, Central Bank of Chile.
    17. Fulvia Fringuellotti & Thomas Kroen, 2024. "Payout Restrictions and Bank Risk-Shifting," Staff Reports 1123, Federal Reserve Bank of New York.
    18. Yu, Jingjing, 2024. "Stabilizing leverage, financial technology innovation, and commercial bank risks: Evidence from China," Economic Modelling, Elsevier, vol. 131(C).
    19. William Chen & Gregory Phelan, 2023. "Should Monetary Policy Target Financial Stability," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 49, pages 181-200, July.

    More about this item

    JEL classification:

    • E41 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Demand for Money
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G23 - Financial Economics - - Financial Institutions and Services - - - Non-bank Financial Institutions; Financial Instruments; Institutional Investors
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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