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Central Bank Policy and the concentration of risk: Empirical estimates

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  • Coimbra, Nuno
  • Kim, Daisoon
  • Rey, Hélène

Abstract

Before the 2008 crisis, the cross-sectional skewness of banks’ leverage went up and macro risk concentrated in the balance sheets of large banks. Using a model of profit-maximizing banks with heterogeneous Value-at-Risk constraints, we extract the distribution of banks’ risk-taking parameters from balance sheet data. The time series of these estimates allow us to understand systemic risk and its concentration in the banking sector over time. Counterfactual exercises show that (1) monetary policymakers confront the trade-off between stimulating the economy and financial stability, and (2) macroprudential policies can be effective tools to increase financial stability.

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  • Coimbra, Nuno & Kim, Daisoon & Rey, Hélène, 2022. "Central Bank Policy and the concentration of risk: Empirical estimates," Journal of Monetary Economics, Elsevier, vol. 125(C), pages 182-198.
    • Handle: RePEc:eee:moneco:v:125:y:2022:i:c:p:182-198
    DOI: 10.1016/j.jmoneco.2021.08.002
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    Keywords

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    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • 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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