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Costly Portfolio Adjustment

  • Yosef Bonaparte
  • Russell Cooper
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    This paper studies the dynamic optimization problem of a household when portfolio adjustment is costly. The analysis is motivated by the observation that on an annual basis, less than 71% of stockholders typically adjust their portfolio of common stocks. We use this, and related observations, to estimate the parameters of household preferences and portfolio adjustment costs. We find significant adjustment costs, beyond the direct costs of buying and selling assets. These adjustment costs and the consequent inactivity in portfolio adjustment imply that inferences drawn about household risk aversion and the elasticity of intertemporal substitution are biased: household risk aversion is lower compared to other estimates and it is not equal to the inverse of the elasticity of intertemporal substitution.

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    File URL: http://www.nber.org/papers/w15227.pdf
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    Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 15227.

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    Date of creation: Aug 2009
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    Handle: RePEc:nbr:nberwo:15227
    Note: EFG AP
    Contact details of provider: Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.
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    Web page: http://www.nber.org
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    1. Christopher D Carroll, 1997. "Death to the Log-Linearized Consumption euler Equation! (And Very Poor Health to the Second-Order Approximation)," Economics Working Paper Archive 390, The Johns Hopkins University,Department of Economics.
    2. Jon Willis & Russell Cooper & John Haltiwanger, 2005. "GMM for Discrete Choice Models: A Capital Accumulation Application," 2005 Meeting Papers 719, Society for Economic Dynamics.
    3. Mankiw, N.G. & Zeldes, S.P., 1990. "The Consumption Of Stockholders And Non-Stockholders," Weiss Center Working Papers 23-90, Wharton School - Weiss Center for International Financial Research.
    4. Rust, John, 1987. "Optimal Replacement of GMC Bus Engines: An Empirical Model of Harold Zurcher," Econometrica, Econometric Society, vol. 55(5), pages 999-1033, September.
    5. Hansen, Lars Peter & Singleton, Kenneth J, 1982. "Generalized Instrumental Variables Estimation of Nonlinear Rational Expectations Models," Econometrica, Econometric Society, vol. 50(5), pages 1269-86, September.
    6. Robert E. Hall, 1981. "Intertemporal Substitution in Consumption," NBER Working Papers 0720, National Bureau of Economic Research, Inc.
    7. Annette Vissing-Jorgensen, 2002. "Limited Asset Market Participation and the Elasticity of Intertemporal Substitution," Journal of Political Economy, University of Chicago Press, vol. 110(4), pages 825-853, August.
    8. Hansen, Lars Peter & Singleton, Kenneth J, 1983. "Stochastic Consumption, Risk Aversion, and the Temporal Behavior of Asset Returns," Journal of Political Economy, University of Chicago Press, vol. 91(2), pages 249-65, April.
    9. Annette Vissing-Jorgensen, 2002. "Limited Asset Market Participation and the Elasticity of Intertemporal Substitution," NBER Working Papers 8896, National Bureau of Economic Research, Inc.
    10. John Heaton & Deborah Lucas, 1993. "Evaluating the Effects of Incomplete Markets on Risk Sharing and Asset Pricing," NBER Working Papers 4249, National Bureau of Economic Research, Inc.
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