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Leverage Restrictions in a Business Cycle Model

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  • Lawrence Christiano
  • Daisuke Ikeda

Abstract

We modify an otherwise standard medium-sized DSGE model, in order to study the macroeconomic effects of placing leverage restrictions on financial intermediaries. The financial intermediaries ('bankers') in the model must exert effort in order to earn high returns for their creditors. An agency problem arises because banker effort is not observable to creditors. The consequence of this agency problem is that leverage restrictions on banks generate a very substantial welfare gain in steady state. We discuss the economics of this gain. As a way of testing the model, we explore its implications for the dynamic effects of shocks.

Suggested Citation

  • Lawrence Christiano & Daisuke Ikeda, 2013. "Leverage Restrictions in a Business Cycle Model," NBER Working Papers 18688, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:18688
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    References listed on IDEAS

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    1. Saki Bigio, 2012. "Financial Risk Capacity," 2012 Meeting Papers 97, Society for Economic Dynamics.
    2. Tobias Adrian & Paolo Colla & Hyun Song Shin, 2013. "Which Financial Frictions? Parsing the Evidence from the Financial Crisis of 2007 to 2009," NBER Macroeconomics Annual, University of Chicago Press, vol. 27(1), pages 159-214.
    3. Matthias Kehrig, 2011. "The Cyclicality of Productivity Dispersion," 2011 Meeting Papers 484, Society for Economic Dynamics.
    4. Erceg, Christopher J. & Henderson, Dale W. & Levin, Andrew T., 2000. "Optimal monetary policy with staggered wage and price contracts," Journal of Monetary Economics, Elsevier, vol. 46(2), pages 281-313, October.
    5. Merz, Monika, 1995. "Search in the labor market and the real business cycle," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 269-300, November.
    6. Tobias Adrian & Paolo Colla & Hyun Song Shin, 2012. "Which Financial Frictions? Parsing the Evidence from the Financial Crisis of 2007-9," NBER Working Papers 18335, National Bureau of Economic Research, Inc.
    7. Gertler, Mark & Kiyotaki, Nobuhiro & Queralto, Albert, 2012. "Financial crises, bank risk exposure and government financial policy," Journal of Monetary Economics, Elsevier, vol. 59(S), pages 17-34.
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    More about this item

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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