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Optimal Dynamic Capital Requirements

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  • CATERINA MENDICINO
  • KALIN NIKOLOV
  • JAVIER SUAREZ
  • DOMINIK SUPERA

Abstract

We characterize welfare maximizing capital requirement policies in a quantitative macrobanking model with household, firm, and bank defaults calibrated to Euro Area data. We optimize on the level of the capital requirements applied to each loan class and their sensitivity to changes in default risk. We find that getting the level right (so that bank failure risk remains contained) is of foremost importance, while the optimal sensitivity to default risk is positive but typically smaller than under Basel internal ratings based (IRB) formulas. Starting from low levels, savers and borrowers benefit from higher capital requirements. At higher levels, only savers prefer tighter requirements.

Suggested Citation

  • Caterina Mendicino & Kalin Nikolov & Javier Suarez & Dominik Supera, 2018. "Optimal Dynamic Capital Requirements," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 50(6), pages 1271-1297, September.
  • Handle: RePEc:wly:jmoncb:v:50:y:2018:i:6:p:1271-1297
    DOI: 10.1111/jmcb.12490
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    JEL classification:

    • E3 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles
    • 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

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