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Lifetime consumption and investment: Retirement and constrained borrowing

Philip Dybvig and Hong Liu

Journal of Economic Theory, 2010, vol. 145, issue 3, 885-907

Abstract: Retirement flexibility and inability to borrow against future labor income can significantly affect optimal consumption and investment. With voluntary retirement, there exists an optimal wealth-to-wage ratio threshold for retirement and human capital correlates negatively with the stock market even when wages have zero or slightly positive market risk exposure. Consequently, investors optimally invest more in the stock market than without retirement flexibility. Both consumption and portfolio choice jump at the endogenous retirement date. The inability to borrow limits hedging and reduces the value of labor income, the wealth-to-wage ratio threshold for retirement, and the stock investment.

Keywords: Voluntary; retirement; Mandatory; retirement; Investment; Consumption (search for similar items in EconPapers)
Date: 2010
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