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Imperfect Knowledge About Asset Prices and Credit Cycles

  • Pei Kuang
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    This paper develops an equilibrium model with a housing collateral constraint in which rational agents are uncertain about the collateral price process. Bayesian learning by agents can endogenously generate booms and busts in collateral prices and significantly strengthen the role of the collateral constraint as an amplification mechanism through the interaction of agents' price beliefs, price realizations and credit limits. Over-optimism or pessimism is fueled when a surprise in price expectations is interpreted partially by the agents as a permanent change in the parameters governing the collateral price process and is validated by subsequently realized prices. The learning model can quantitatively account for the recent US boom-bust cycle in house prices, household debt and aggregate consumption dynamics during 2001-2008. The paper also demonstrates that the leveraged economy with a higher steady state leverage ratio is more prone to self-inforcing learning dynamics.

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    File URL: ftp://ftp.bham.ac.uk/pub/RePEc/pdf/13-02R.pdf
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    Paper provided by Department of Economics, University of Birmingham in its series Discussion Papers with number 13-02r.

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    Length: 52 pages
    Date of creation: Nov 2013
    Date of revision:
    Handle: RePEc:bir:birmec:13-02r
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    Edgbaston, Birmingham, B15 2TT

    Web page: http://www.economics.bham.ac.uk

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    1. Kiyotaki, Nobuhiro & Moore, John, 1997. "Credit Cycles," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 211-48, April.
    2. 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.
    3. Oliver Hart & John Moore, 1994. "A Theory of Debt Based on the Inalienability of Human Capital," The Quarterly Journal of Economics, Oxford University Press, vol. 109(4), pages 841-879.
    4. Kevin X. D. Huang & Zheng Liu & Tao Zha, 2008. "Learning, adaptive expectations, and technology shocks," Working Paper Series 2008-18, Federal Reserve Bank of San Francisco.
    5. Narayana R. Kocherlakota, 2000. "Creating business cycles through credit constraints," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Sum, pages 2-10.
    6. John Y. Campbell, 1992. "Inspecting the Mechanism: An Analytical Approach to the Stochastic Growth Model," NBER Working Papers 4188, National Bureau of Economic Research, Inc.
    7. Alejandro Justiniano & Giorgio E. Primiceri & Andrea Tambalotti, 2013. "Household leveraging and deleveraging," Staff Reports 602, Federal Reserve Bank of New York.
    8. Juan-Carlos Cordoba & Marla Ripoll, 2004. "Credit Cycles Redux," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 45(4), pages 1011-1046, November.
    9. Stefano Eusepi & Bruce Preston, 2008. "Expectations, Learning and Business Cycle Fluctuations," NBER Working Papers 14181, National Bureau of Economic Research, Inc.
    10. Eva Carceles Poveda & Chryssi Giannitsarou, 2006. "Asset pricing with adaptive learning," Computing in Economics and Finance 2006 25, Society for Computational Economics.
    11. Kevin J. Lansing, 2007. "Rational and near-rational bubbles without drift," Working Paper Series 2007-10, Federal Reserve Bank of San Francisco.
    12. William A. Branch & George W. Evans, . "Learning about Risk and Return: A Simple Model of Bubbles and Crashes," CDMA Working Paper Series 201010, Centre for Dynamic Macroeconomic Analysis, revised 15 Apr 2010.
    13. Bruce Preston, 2003. "Learning about monetary policy rules when long-horizon expectations matter," FRB Atlanta Working Paper 2003-18, Federal Reserve Bank of Atlanta.
    14. Klaus Adam & Albert Marcet, 2011. "Internal Rationality, Imperfect Market Knowledge and Asset Prices," CEP Discussion Papers dp1068, Centre for Economic Performance, LSE.
    15. Fabio Milani, 2011. "Expectation Shocks and Learning as Drivers of the Business Cycle," Economic Journal, Royal Economic Society, vol. 121(552), pages 379-401, 05.
    16. Adam, Klaus & Marcet, Albert & Nicolini, Juan Pablo, 2012. "Stock Market Volatility and Learning," Working Papers 12-06, University of Mannheim, Department of Economics.
    17. Klaus Adam & Albert Marcet, 2011. "Booms and Busts in Asset Prices," CEP Discussion Papers dp1059, Centre for Economic Performance, LSE.
    18. Klaus Adam & Pei Kuang & Albert Marcet, 2011. "House Price Booms and the Current Account," NBER Chapters, in: NBER Macroeconomics Annual 2011, Volume 26, pages 77-122 National Bureau of Economic Research, Inc.
    19. Simeon Djankov & Oliver Hart & Caralee McLiesh & Andrei Shleifer, 2008. "Debt Enforcement around the World," Journal of Political Economy, University of Chicago Press, vol. 116(6), pages 1105-1149, December.
    20. Matteo Iacoviello & Stefano Neri, 2007. "Housing Market Spillovers: Evidence from an Estimated DSGE Model," Boston College Working Papers in Economics 659, Boston College Department of Economics, revised 23 Oct 2009.
    21. Atif Mian & Amir Sufi, 2009. "The Consequences of Mortgage Credit Expansion: Evidence from the U.S. Mortgage Default Crisis," The Quarterly Journal of Economics, Oxford University Press, vol. 124(4), pages 1449-1496.
    22. Gelain, Paolo & Lansing, Kevin J. & Mendicino, Caterina, 2012. "House Prices, Credit Growth, and Excess Volatility: Implications for Monetary and Macroprudential Policy," Dynare Working Papers 21, CEPREMAP.
    23. Eva Carceles-Poveda & Chryssi Giannitsarou, 2007. "Online Appendix to Asset Pricing with Adaptive Learning," Technical Appendices carceles08, Review of Economic Dynamics.
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