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The Instability of the Banking Sector and Macrodynamics: Theory and Empirics

  • Stefan Mittnik
  • Willi Semmler

This paper studies the issue of local instability of the banking sector and how it may spillover to the macroeconomy. The banking sector is considered here as representing a wealth fund that accumulates capital assets, can heavily borrow and pays bonuses. We presume that the banking system faces not only loan losses but is also exposed to a deterioration of its balances sheets due to adverse movements in asset prices. In contrast to previous studies that use the financial accelerator – which is locally amplifying but globally stable and mean reverting – our model shows local instability and globally multiple regimes. Whereas the financial accelerator leads, in terms of econometrics, to a one-regime VAR we demonstrate the usefulness of a multi-regime VAR (MRVAR). We estimate our model for the US with a MRVAR using a constructed financial stress index and industrial production. We also undertake an impulse-response study with an MRVAR which allows us to explore regime dependent shocks. We show that the shocks have asymmetric effects depending on the regime the economy is in and the size of the shocks. As to the recently discussed unconventional monetary policy of quantitative easing we demonstrate that the effects of monetary shocks are also dependent on the size of the shocks.

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Paper provided by DEGIT, Dynamics, Economic Growth, and International Trade in its series DEGIT Conference Papers with number c016_080.

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Length: 54 pages
Date of creation: Sep 2011
Date of revision:
Handle: RePEc:deg:conpap:c016_080
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  1. Hamilton, James D, 1989. "A New Approach to the Economic Analysis of Nonstationary Time Series and the Business Cycle," Econometrica, Econometric Society, vol. 57(2), pages 357-84, March.
  2. Markus K. Brunnermeier & Lasse Heje Pedersen, 2007. "Market liquidity and funding liquidity," LSE Research Online Documents on Economics 24478, London School of Economics and Political Science, LSE Library.
  3. Illing, Mark & Liu, Ying, 2006. "Measuring financial stress in a developed country: An application to Canada," Journal of Financial Stability, Elsevier, vol. 2(3), pages 243-265, October.
  4. Ben Bernanke & Mark Gertler & Simon Gilchrist, 1998. "The Financial Accelerator in a Quantitative Business Cycle Framework," NBER Working Papers 6455, National Bureau of Economic Research, Inc.
  5. Koop, Gary & Pesaran, M. Hashem & Potter, Simon M., 1996. "Impulse response analysis in nonlinear multivariate models," Journal of Econometrics, Elsevier, vol. 74(1), pages 119-147, September.
  6. Grune, Lars & Semmler, Willi, 2004. "Using dynamic programming with adaptive grid scheme for optimal control problems in economics," Journal of Economic Dynamics and Control, Elsevier, vol. 28(12), pages 2427-2456, December.
  7. repec:clu:wpaper:0910-01 is not listed on IDEAS
  8. Merton, Robert C., 1971. "Optimum consumption and portfolio rules in a continuous-time model," Journal of Economic Theory, Elsevier, vol. 3(4), pages 373-413, December.
  9. Mittnik, Stefan & Zadrozny, Peter A, 1993. "Asymptotic Distributions of Impulse Responses, Step Responses, and Variance Decompositions of Estimated Linear Dynamic Models," Econometrica, Econometric Society, vol. 61(4), pages 857-70, July.
  10. Bernanke, Ben & Gertler, Mark, 1989. "Agency Costs, Net Worth, and Business Fluctuations," American Economic Review, American Economic Association, vol. 79(1), pages 14-31, March.
  11. Grüne, Lars & Semmler, Willi, 2008. "Asset pricing with loss aversion," Journal of Economic Dynamics and Control, Elsevier, vol. 32(10), pages 3253-3274, October.
  12. Yuliy Sannikov & Markus Brunnermeier, 2012. "A Macroeconomic Model with a Financial Sector," 2012 Meeting Papers 507, Society for Economic Dynamics.
  13. Ian Christensen & Ali Dib, 2008. "The Financial Accelerator in an Estimated New Keynesian Model," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(1), pages 155-178, January.
  14. repec:nys:sunysb:93-01 is not listed on IDEAS
  15. Vasco Cúrdia & Michael Woodford, 2008. "Credit frictions and optimal monetary policy," Working Paper Research 146, National Bank of Belgium.
  16. Diamond, Douglas W & Dybvig, Philip H, 1983. "Bank Runs, Deposit Insurance, and Liquidity," Journal of Political Economy, University of Chicago Press, vol. 91(3), pages 401-19, June.
  17. Balke, Nathan S & Fomby, Thomas B, 1997. "Threshold Cointegration," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 38(3), pages 627-45, August.
  18. Tobias Adrian & Hyun Song Shin, 2009. "Money, liquidity, and monetary policy," Staff Reports 360, Federal Reserve Bank of New York.
  19. Lars Grüne & Willi Semmler, 2007. "Asset pricing with dynamic programming," Computational Economics, Society for Computational Economics, vol. 29(3), pages 233-265, May.
  20. Nobuhiro Kiyotaki & Gauti Eggertsson & Andrea Ferrero & Marco Del Negro, 2010. "The Great Escape? A Quantitative Evaluation of the Fed’s Non-Standard Policies," 2010 Meeting Papers 113, Society for Economic Dynamics.
  21. Ernst, Ekkehard & Semmler, Willi, 2010. "Global dynamics in a model with search and matching in labor and capital markets," Journal of Economic Dynamics and Control, Elsevier, vol. 34(9), pages 1651-1679, September.
  22. Willi Semmler & Lucas Bernard (ed.), 2007. "The Foundations of Credit Risk Analysis," Books, Edward Elgar, number 12648, March.
  23. Semmler, Willi & Sieveking, Malte, 2000. "Critical debt and debt dynamics," Journal of Economic Dynamics and Control, Elsevier, vol. 24(5-7), pages 1121-1144, June.
  24. Merton, Robert C, 1973. "An Intertemporal Capital Asset Pricing Model," Econometrica, Econometric Society, vol. 41(5), pages 867-87, September.
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