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Imperfect Knowledge about Asset Prices and Credit Cycles

  • Pei Kuang

    ()

    (University of Birmingham)

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    I develop an equilibrium model with collateral constraints in which rational agents are uncertain and learn about the equilibrium mapping between fundamentals and collateral prices. Bayesian updating of beliefs by agents can endogenously generate booms and busts in collateral prices and largely strengthen the role of collateral constraints as an amplification mechanism through the interaction of agents?' beliefs, collateral prices 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. I show that the model can quantitatively account for the recent US boom-bust cycle in house prices, household debt and aggregate consumption dynamics during 2001-2008. I also demonstrate that the leveraged economy with a higher steady state leverage ratio is more prone to self-reinforcing learning dynamics.

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    File URL: http://www.st-andrews.ac.uk/economics/repecfiles/2/1303.pdf
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    Paper provided by Centre for Dynamic Macroeconomic Analysis in its series CDMA Working Paper Series with number 201303.

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    Date of creation: 01 Jan 2013
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    Handle: RePEc:san:cdmawp:1303
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    1. Adam, Klaus & Marcet, Albert, 2011. "Internal rationality, imperfect market knowledge and asset prices," Journal of Economic Theory, Elsevier, vol. 146(3), pages 1224-1252, May.
    2. 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.
    3. Klaus Adam & Pei Kuang & Albert Marcet, 2011. "House Price Booms and the Current Account," NBER Working Papers 17224, National Bureau of Economic Research, Inc.
    4. Carceles-Poveda, Eva & Giannitsarou, Chryssi, 2007. "Asset Pricing with Adaptive Learning," CEPR Discussion Papers 6223, C.E.P.R. Discussion Papers.
    5. Adam, Klaus & Marcet, Albert & Nicolini, Juan Pablo, 2012. "Stock Market Volatility and Learning," Working Papers 12-06, University of Mannheim, Department of Economics.
    6. Enrique G. Mendoza & Emine Boz, 2009. "Financial Innovation, the Discovery of Risk, and the U.S. Credit Crisis," 2009 Meeting Papers 1273, Society for Economic Dynamics.
    7. Milani, Fabio, 2010. "Expectation Shocks and Learning as Drivers of the Business Cycle," CEPR Discussion Papers 7743, C.E.P.R. Discussion Papers.
    8. KevinJ. Lansing, 2010. "Rational and Near-Rational Bubbles Without Drift," Economic Journal, Royal Economic Society, vol. 120(549), pages 1149-1174, December.
    9. 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.
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    11. Zheng Liu & Pengfei Wang & Tao Zha, 2011. "Land-price dynamics and macroeconomic fluctuations," FRB Atlanta Working Paper No. 2011-11, Federal Reserve Bank of Atlanta.
    12. Simeon Djankov & Oliver Hart & Caralee McLiesh & Andrei Shleifer, 2006. "Debt Enforcement Around the World," NBER Working Papers 12807, National Bureau of Economic Research, Inc.
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    16. Matteo Iacoviello, 2002. "House prices, borrowing constraints and monetary policy in the business cycle," Boston College Working Papers in Economics 542, Boston College Department of Economics, revised 06 Dec 2004.
    17. Pei Kuang, 2013. "A Note on Learning in a Credit Economy," Discussion Papers 14-08, Department of Economics, University of Birmingham.
    18. 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.
    19. Tiziana Assenzay & Michele Berardi, 2008. "Learning in a Credit Economy," Centre for Growth and Business Cycle Research Discussion Paper Series 100, Economics, The Univeristy of Manchester.
    20. Andrea Ferrero, 2011. "House Prices Booms and Current Account Deficits," 2011 Meeting Papers 1386, Society for Economic Dynamics.
    21. Hart, Oliver & Moore, John, 1994. "A Theory of Debt Based on the Inalienability of Human Capital," The Quarterly Journal of Economics, MIT Press, vol. 109(4), pages 841-79, November.
    22. Narayana R. Kocherlakota, 2000. "Creating business cycles through credit constraints," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Sum, pages 2-10.
    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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