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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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    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
    Contact details of provider: Postal: Edgbaston, Birmingham, B15 2TT
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    1. repec:tpr:qjecon:v:124:y:2009:i:4:p:1449-1496 is not listed on IDEAS
    2. Carceles-Poveda, Eva & Giannitsarou, Chryssi, 2007. "Asset Pricing with Adaptive Learning," CEPR Discussion Papers 6223, C.E.P.R. Discussion Papers.
    3. Bruce Preston, 2003. "Learning about monetary policy rules when long-horizon expectations matter," FRB Atlanta Working Paper 2003-18, Federal Reserve Bank of Atlanta.
    4. Kiyotaki, Nobuhiro & Moore, John, 1997. "Credit Cycles," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 211-48, April.
    5. 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.
    6. Cordoba, Juan Carlos & Ripoll, Marla, 2010. "Credit Cycles Redux," Staff General Research Papers 32122, Iowa State University, Department of Economics.
      • 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.
    7. Shleifer, Andrei & McLiesh, Caralee & Hart, Oliver & Djankov, Simeon, 2008. "Debt Enforcement Around the World," Scholarly Articles 2961825, Harvard University Department of Economics.
    8. Klaus Adam & Albert Marcet, 2011. "Internal Rationality, Imperfect Market Knowledge and Asset Prices," CEP Discussion Papers dp1068, Centre for Economic Performance, LSE.
    9. 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.
    10. Eva Carceles-Poveda & Chryssi Giannitsarou, 2007. "Online Appendix to Asset Pricing with Adaptive Learning," Technical Appendices carceles08, Review of Economic Dynamics.
    11. Albert Marcet & Klaus Adam & Juan Pablo Nicolini, 2008. "Stock Market Volatility and Learning," UFAE and IAE Working Papers 732.08, Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC).
    12. 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.
    13. Klaus Adam & Pei Kuang & Albert Marcet, 2011. "House Price Booms and the Current Account," NBER Working Papers 17224, National Bureau of Economic Research, Inc.
    14. Paolo Gelain & Kevin J. Lansing & Caterina Mendicino, 2013. "House Prices, Credit Growth, and Excess Volatility: Implications for Monetary and Macroprudential Policy," International Journal of Central Banking, International Journal of Central Banking, vol. 9(2), pages 219-276, June.
    15. Justiniano, Alejandro & Primiceri, Giorgio E & Tambalotti, Andrea, 2013. "Household Leveraging and Deleveraging," CEPR Discussion Papers 9671, C.E.P.R. Discussion Papers.
    16. Narayana R. Kocherlakota, 2000. "Creating business cycles through credit constraints," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Sum, pages 2-10.
    17. Wiliam Branch & George W. Evans, . "Learning about Risk and Return: A Simple Model of Bubbles and Crashes," University of Oregon Economics Department Working Papers 2008-1, University of Oregon Economics Department.
    18. Stefano Eusepi & Bruce Preston, 2008. "Expectations, Learning And Business Cycle Fluctuations," CAMA Working Papers 2008-20, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    19. Klaus Adam & Albert Marcet, 2010. "Booms and Busts in Asset Prices," IMES Discussion Paper Series 10-E-02, Institute for Monetary and Economic Studies, Bank of Japan.
    20. Hart, O. & Moore, J., 1991. "A Theory of Debt Based on the Inalienability of Human Capital," Working papers 592, Massachusetts Institute of Technology (MIT), Department of Economics.
    21. Kevin J. Lansing, 2007. "Rational and Near-Rational Bubbles Without Drift," 2007 Meeting Papers 970, Society for Economic Dynamics.
    22. 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.
    23. Zheng Liu & Daniel F. Waggoner & Tao Zha, 2008. "Learning, Adaptive Expectations, and Technology Shocks," Emory Economics 0803, Department of Economics, Emory University (Atlanta).
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