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Consumption and time use over the life cycle

  • Michael Dotsey
  • Wenli Li
  • Fang Yang

The authors incorporate home production in a dynamic general equilibrium model of consumption and saving with illiquid housing and a collateralized borrowing constraint. They show that the model is capable of explaining life-cycle patterns of households' time use and consumption of different categories. Specifically, households' market hours and home hours are fairly stable early in the life cycle. Market hours start to decline sharply at age 50, while home hours begin to increase at age 55. Households' consumption of the market good, home input, and housing services all exhibit hump shapes over the life cycle, with the market good having the most pronounced hump, followed by the home input, and then housing services. A plausibly parameterized version of the authors' model predicts that the interaction of the labor efficiency profile and the availability of home production technology explain households' time use over the life cycle. The resulting income profiles, the endogenous borrowing constraint and the presence of home production account for the initial hump in all three consumption goods. The consumption profiles in the second half of the life cycle are mostly driven by the complementarity of home hours, home input, and housing in home production.

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Paper provided by Federal Reserve Bank of Philadelphia in its series Working Papers with number 10-37.

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Date of creation: 2010
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Handle: RePEc:fip:fedpwp:10-37
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