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The Equity Price Channel in a New-Keynesian DSGE Model with Financial Frictions and Banking

  • Hylton Hollander and Guangling Liu

This paper studies the role of the equity price channel in business cycle fluctuations, and highlights its systemic risk across all sectors of the economy. We develop a canonical New-Keynesian dynamic stochastic general equilibrium model with a tractable role for the equity market in banking, entrepreneur and household economic interactions. The model is estimated with Bayesian techniques using U.S. data over the sample period 1982Q01 - 2012Q01. We show that a New-Keynesian DSGE model with an equity price channel well mimics the U.S. business cycle. Moreover, the equity price channel significantly exacerbates business cycle fluctuations through both the financial accelerator and bank funding channels. This study highlights the equity price channel as a different aspect to general equilibrium models with financial frictions, and emphasizes the consequences of the (in)stability of financial markets on the real economy.

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File URL: http://www.econrsa.org/node/735
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Paper provided by Economic Research Southern Africa in its series Working Papers with number 360.

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Length: 30 pages
Date of creation: 2013
Date of revision:
Handle: RePEc:rza:wpaper:360
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  1. Bojan Markovic, 2006. "Bank capital channels in the monetary transmission mechanism," Bank of England working papers 313, Bank of England.
  2. Gregory DE WALQUE & Olivier PIERRARD & Abdelaziz ROUABAH, 2009. "Financial (in)stability, supervision and liquidity injections : a dynamic general equilibrium approach," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2009006, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
  3. John Moore & Nobuhiro Kiyotaki, . "Credit Cycles," Discussion Papers 1995-5, Edinburgh School of Economics, University of Edinburgh.
  4. Matteo Iacoviello, 2005. "House Prices, Borrowing Constraints, and Monetary Policy in the Business Cycle," American Economic Review, American Economic Association, vol. 95(3), pages 739-764, June.
  5. Frank Smets & Raf Wouters, 2007. "Shocks and Frictions in US Business Cycles : a Bayesian DSGE Approach," Working Paper Research 109, National Bank of Belgium.
  6. Castelnuovo , Efrem & Nisticò, Salvatore, 2010. "Stock market conditions and monetary policy in an DSGE model for the US," Research Discussion Papers 11/2010, Bank of Finland.
  7. Meh, Césaire A. & Moran, Kevin, 2010. "The role of bank capital in the propagation of shocks," Journal of Economic Dynamics and Control, Elsevier, vol. 34(3), pages 555-576, March.
  8. Michele Boldrin & Lawrence J. Christiano & Jonas D.M. Fisher, 1999. "Habit persistence, asset returns and the business cycles," Working Paper Series WP-99-14, Federal Reserve Bank of Chicago.
  9. Harald Uhlig, 2007. "Explaining Asset Prices with External Habits and Wage Rigidities in a DSGE Model," SFB 649 Discussion Papers SFB649DP2007-003, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.
  10. Matteo Iacoviello & Stefano Neri, 2008. "Housing market spillovers: Evidence from an estimated DSGE model," Temi di discussione (Economic working papers) 659, Bank of Italy, Economic Research and International Relations Area.
  11. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  12. Michał Brzoza-Brzezina & Marcin Kolasa & Krzysztof Makarski, 2011. "The anatomy of standard DSGE models with financial frictions," National Bank of Poland Working Papers 80, National Bank of Poland, Economic Institute.
  13. 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, 09.
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