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Credit and Banking in a DSGE Model of the Euro Area

Author

Listed:
  • ANDREA GERALI
  • STEFANO NERI
  • LUCA SESSA
  • FEDERICO M. SIGNORETTI

Abstract

This paper studies the role of credit supply factors in business cycle fluctuations using a dynamic stochastic general equilibrium (DSGE) model with financial frictions enriched with an imperfectly competitive banking sector. Banks issue collateralized loans to both households and firms, obtain funding via deposits, and accumulate capital out of retained earnings. Loan margins depend on the banks' capital-to-assets ratio and on the degree of interest rate stickiness. Balance-sheet constraints establish a link between the business cycle, which affects bank profits and thus capital, and the supply and cost of loans. The model is estimated with Bayesian techniques using data for the euro area. The analysis delivers the following results. First, the banking sector and, in particular, sticky rates attenuate the effects of monetary policy shocks, while financial intermediation increases the propagation of supply shocks. Second, shocks originating in the banking sector explain the largest share of the contraction of economic activity in 2008, while macroeconomic shocks played a limited role. Third, an unexpected destruction of bank capital may have substantial effects on the economy. Copyright (c) 2010 The Ohio State University.

Suggested Citation

  • Andrea Gerali & Stefano Neri & Luca Sessa & Federico M. Signoretti, 2010. "Credit and Banking in a DSGE Model of the Euro Area," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(s1), pages 107-141, September.
  • Handle: RePEc:mcb:jmoncb:v:42:y:2010:i:s1:p:107-141
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    References listed on IDEAS

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    1. Van den Heuvel, Skander J., 2008. "The welfare cost of bank capital requirements," Journal of Monetary Economics, Elsevier, vol. 55(2), pages 298-320, March.
    2. Demirguc-Kunt, Asli & Laeven, Luc & Levine, Ross, 2004. "Regulations, Market Structure, Institutions, and the Cost of Financial Intermediation," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 36(3), pages 593-622, June.
    3. von Thadden, Ernst-Ludwig, 2004. "Asymmetric information, bank lending and implicit contracts: the winner's curse," Finance Research Letters, Elsevier, vol. 1(1), pages 11-23, March.
    4. Roger Aliaga‐Díaz & María Pía Olivero, 2010. "Macroeconomic Implications of “Deep Habits” in Banking," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(8), pages 1495-1521, December.
    5. De Bandt, Olivier & Davis, E. Philip, 2000. "Competition, contestability and market structure in European banking sectors on the eve of EMU," Journal of Banking & Finance, Elsevier, vol. 24(6), pages 1045-1066, June.
    6. Schmitt-Grohé, Stephanie & Uribe, Martín, 2006. "Optimal fiscal and monetary policy in a medium-scale macroeconomic model," Working Paper Series 612, European Central Bank.
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    More about this item

    JEL classification:

    • E30 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - General (includes Measurement and Data)
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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