We examine the effects of collateralized borrowing in a realistically parameterized life-cycle portfolio choice problem. We provide basic intuition in a two-period model and then solve a multi-period model computationally. Our analysis provides insights into life-cycle portfolio choice relevant for researchers in macroeconomics and finance. In particular, we show that standard models with unlimited borrowing at the riskless rate dramatically overstate the gains to holding equity when compared with collateral constrained models. Our results do not depend on the specification of the collateralized borrowing regime; the gains to trading equity remain relatively small even with the unrealistic assumption of unlimited leverage. We argue that our results strengthen the role of borrowing constraints in explaining the portfolio participation puzzle
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Paper provided by Society for Economic Dynamics in its series 2006 Meeting Papers with number
578.
Length: Date of creation: 03 Dec 2006 Date of revision: Handle: RePEc:red:sed006:578
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Find related papers by JEL classification: G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions E21 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
References listed on IDEAS Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
Pierre-Olivier Gourinchas & Jonathan A. Parker, 2002.
"Consumption Over the Life Cycle,"
Econometrica,
Econometric Society, vol. 70(1), pages 47-89, January.
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Shleifer, Andrei & Vishny, Robert W, 1997.
" The Limits of Arbitrage,"
Journal of Finance,
American Finance Association, vol. 52(1), pages 35-55, March.
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John H. Cochrane & Lars Peter Hansen, 1992.
"Asset Pricing Explorations for Macroeconomics,"
NBER Chapters,
in: NBER Macroeconomics Annual 1992, Volume 7, pages 115-182
National Bureau of Economic Research, Inc.
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