Expectations, Life Expectancy, and Economic Behavior
AbstractUnlike price expectations, which are central to macroeconomic theory and have been examined extensively using survey data, formation of individuals' horizons, which are central to the theory of life-cycle behavior, have been completely neglected. This is especially surprising since life expectancy of adults has increased especially rapidly in Western countries in the past ten years. This study presents the results of analyzing responses by two groups--economists and a random sample--to a questionnaire designed to elicit subjective expectations and probabilities of survival. It shows that people do not extrapolate past improvements in longevity when they determine their subjective horizons, though they are fully aware of levels of and movements within today's life tables. They skew subjective survival probabilities in a way that implies the subjective distribution has greater variance than its actuarial counterpart; and the subjective variance decreases with age. They also base their subjective horizons disproportionately on their relatives' longevity, and long-lived relatives increase uncertainty about the distribution of subjective survival probabilities. As one example of the many areas of life-cycle behavior to which the results are applicable, the study examines the consumption-leisure choices of the optimizing consumer over his lifetime. It finds that shortfalls in utility in old age because people's ex ante horizons had to be updated as -- average longevity increased are relatively small. This implies that large subsidies to retirees under today's Social Security system cannot be justified as compensation for an unexpectedly long retirement for which they failed to save.
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Bibliographic InfoArticle provided by MIT Press in its journal Quarterly Journal of Economics.
Volume (Year): 100 (1985)
Issue (Month): 2 (May)
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Web page: http://mitpress.mit.edu/journals/
Other versions of this item:
- Daniel S. Hamermesh, 1985. "Expectations, Life Expectancy, and Economic Behavior," NBER Working Papers 0835, National Bureau of Economic Research, Inc.
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- Martin Feldstein & Jeffrey B. Liebman, 2001.
NBER Working Papers
8451, National Bureau of Economic Research, Inc.
- Davies, James B, 1981. "Uncertain Lifetime, Consumption, and Dissaving in Retirement," Journal of Political Economy, University of Chicago Press, vol. 89(3), pages 561-77, June.
- Hamermesh, Daniel S, 1982.
"Social Insurance and Consumption: An Empirical Inquiry,"
American Economic Review,
American Economic Association, vol. 72(1), pages 101-13, March.
- Daniel S. Hamermesh, 1980. "Social Insurance and Consumption: An Empirical Inquiry," NBER Working Papers 0600, National Bureau of Economic Research, Inc.
- Jonung, Lars, 1981. "Perceived and Expected Rates of Inflation in Sweden," American Economic Review, American Economic Association, vol. 71(5), pages 961-68, December.
- Kotlikoff, Laurence J & Spivak, Avia & Summers, Lawrence H, 1982.
"The Adequacy of Savings,"
American Economic Review,
American Economic Association, vol. 72(5), pages 1056-69, December.
- Lawrence Kotlikoff & Avia Spivak & Lawrence H. Summers, 1980. "The Adequacy of Savings," Cowles Foundation Discussion Papers 569, Cowles Foundation for Research in Economics, Yale University.
- Laurence J. Kotlikoff & Lawrence H. Summers, 1981. "The Adequacy of Savings," NBER Working Papers 0627, National Bureau of Economic Research, Inc.
- Stephen J. Turnovsky & Michael L. Wachter, 1971.
"A test of the "expectations hypothesis" using directly observed wage and price expectations,"
63, Board of Governors of the Federal Reserve System (U.S.).
- Turnovsky, Stephen J & Wachter, Michael L, 1972. "A Test of the "Expectations Hypothesis" Using Directly Observed Wage and Price Expectations," The Review of Economics and Statistics, MIT Press, vol. 54(1), pages 47-54, February.
- Arthur, W B, 1981. "The Economics of Risks to Life," American Economic Review, American Economic Association, vol. 71(1), pages 54-64, March.
- Levhari, David & Mirman, Leonard J, 1977. "Savings and Consumption with an Uncertain Horizon," Journal of Political Economy, University of Chicago Press, vol. 85(2), pages 265-81, April.
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