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How does macroprudential regulation change bank credit supply?

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  • Anil K. Kashyap
  • Dimitrios P. Tsomocos
  • Alexandros P. Vardoulakis

Abstract

We analyze a variant of the Diamond-Dybvig (1983) model of banking in which savers can use a bank to invest in a risky project operated by an entrepreneur. The savers can buy equity in the bank and save via deposits. The bank chooses to invest in a safe asset or to fund the entrepreneur. The bank and the entrepreneur face limited liability and there is a probability of a run which is governed by the bank's leverage and its mix of safe and risky assets. The possibility of the run reduces the incentive to lend and take risk, while limited liability pushes for excessive lending and risk-taking. We explore how capital regulation, liquidity regulation, deposit insurance, loan to value limits, and dividend taxes interact to offset these frictions. We compare agents welfare in the decentralized equilibrium absent regulation with welfare in equilibria that prevail with various regulations that are optimally chosen. In general, regulation can lead to Pareto improvements but fully correcting both distortions requires more than one regulation.

Suggested Citation

  • Anil K. Kashyap & Dimitrios P. Tsomocos & Alexandros P. Vardoulakis, 2014. "How does macroprudential regulation change bank credit supply?," NBER Working Papers 20165, National Bureau of Economic Research, Inc.
  • Handle: RePEc:nbr:nberwo:20165
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    Citations

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    Cited by:

    1. Gazi Kara & S. Mehmet Ozsoy, 2016. "Bank regulation under fire sale externalities," Finance and Economics Discussion Series 2016-026, Board of Governors of the Federal Reserve System (U.S.).
    2. repec:eee:macchp:v2-2263 is not listed on IDEAS
    3. Kashyap, A. K. & Tsomocos, D. P. & Vardoulakis, A., 2014. "Principles for macroprudential regulation," Financial Stability Review, Banque de France, issue 18, pages 173-182, April.
    4. Oriol Carreras & E Philip Davis & Rebecca Piggott, 2016. "Macroprudential tools, transmission and modelling," National Institute of Economic and Social Research (NIESR) Discussion Papers 470, National Institute of Economic and Social Research.
    5. Caterina Mendicino & Kalin Nikolov & Javier Suarez & Dominik Supera, 2016. "Optimal Dynamic Capital Requirements," Working Papers wp2016_1614, CEMFI.
    6. M. Birn & M. Dietsch & D. Durant, 2017. "How to reach all Basel requirements at the same time?," Débats économiques et financiers 28, Banque de France.
    7. Choi, Dong Boem & Eisenbach, Thomas M. & Yorulmazer, Tanju, 2015. "Watering a lemon tree: heterogeneous risk taking and monetary policy transmission," Staff Reports 724, Federal Reserve Bank of New York, revised 01 Nov 2017.
    8. Choi, Dong Boem & Choi, Hyun-Soo, 2016. "The effect of monetary policy on bank wholesale funding," Staff Reports 759, Federal Reserve Bank of New York, revised 01 Apr 2017.
    9. García-Palacios, Jaime H. & Hasman, Augusto & Samartín, Margarita, 2014. "Banking crises and government intervention," Journal of Financial Stability, Elsevier, vol. 15(C), pages 32-42.
    10. repec:eee:finsta:v:30:y:2017:i:c:p:209-228 is not listed on IDEAS

    More about this item

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G01 - Financial Economics - - General - - - Financial Crises
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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