Survival misperception, time inconsistency, and implications for life-cycle saving and welfare
Some empirical studies firmly reveal that people tend to form overly pessimistic survival expectations for relatively less distant ages and overly optimistic survival expectations for relatively more distant ages. We incorporate this observation into a life-cycle continuous time overlapping-generations model of consumption/saving with a general form for a subjective survival function. Resulting time-inconsistent optimal control problem has been analytically solved. At the micro level, time inconsistency leads to higher consumption at young and old ages, but this alone fails to improve lifetime well-being since micro-level decisions made with a lack of information about true mortality are suboptimal. In general equilibrium, however, such time inconsistent behavior with survival misperception is conducive to aggregate capital accumulation and greater equilibrium bequest income. The latter effects can produce substantial welfare gains. We also note that empirically observed old age optimistic bias is an important phenomenon, as it helps to avoid unrealistic very old-age debt accumulation within a life-cycle model. In addition, if for a given level of optimistic bias we increase early-life pessimism, this would result in slower capital accumulation, lower bequest income, and thus be detrimental to welfare. Since recent literature reports that young-age survival pessimism has grown over time, it raises some concerns.
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- Li Gan & Michael D. Hurd & Daniel L. McFadden, 2005.
"Individual Subjective Survival Curves,"
in: Analyses in the Economics of Aging, pages 377-412
National Bureau of Economic Research, Inc.
- Grégory Ponthière, 2009.
"Existence and stability of overconsumption equilibria,"
PSE Working Papers
- Ponthiere, Gregory, 2011. "Existence and stability of overconsumption equilibria," Economic Modelling, Elsevier, vol. 28(1), pages 74-90.
- Ponthiere, Gregory, 2011. "Existence and stability of overconsumption equilibria," Economic Modelling, Elsevier, vol. 28(1-2), pages 74-90, January.
- Grégory Ponthière, 2011. "Existence and stability of overconsumption equilibria," Post-Print halshs-00754548, HAL.
- Staffolani, Stefano & Valentini, Enzo, 2007. "Bequest taxation and efficient allocation of talents," Economic Modelling, Elsevier, vol. 24(4), pages 648-672, July.
- Erik Hurst & Paul Willen, 2004.
"Social Security and Unsecured Debt,"
NBER Working Papers
10282, National Bureau of Economic Research, Inc.
- Gary D. Hansen & Selahattin Imrohoroglu, 2006.
"Consumption Over the Life Cycle: The Role of Annuities,"
NBER Working Papers
12341, National Bureau of Economic Research, Inc.
- Gary Hansen & Selahattin Imrohoroglu, 2008. "Consumption over the Life Cycle: The Role of Annuities," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 11(3), pages 566-583, July.
- Daniel S. Hamermesh, 1985. "Expectations, Life Expectancy, and Economic Behavior," The Quarterly Journal of Economics, Oxford University Press, vol. 100(2), pages 389-408.
- Feigenbaum, James, 2008. "Can mortality risk explain the consumption hump?," Journal of Macroeconomics, Elsevier, vol. 30(3), pages 844-872, September.
- Feigenbaum, James & Gahramanov, Emin & Tang, Xueli, 2013. "Is it really good to annuitize?," Journal of Economic Behavior & Organization, Elsevier, vol. 93(C), pages 116-140.
- Gan, Li & Gong, Guan & Hurd, Michael & McFadden, Daniel, 2015.
"Subjective mortality risk and bequests,"
Journal of Econometrics,
Elsevier, vol. 188(2), pages 514-525.
- Caliendo, Frank N., 2011. "Time-inconsistent preferences and social security: Revisited in continuous time," Journal of Economic Dynamics and Control, Elsevier, vol. 35(5), pages 668-675, May.
- Hurd, Michael D, 1989. "Mortality Risk and Bequests," Econometrica, Econometric Society, vol. 57(4), pages 779-813, July.
- Kopczuk Wojciech & Slemrod Joel, 2005.
"Denial of Death and Economic Behavior,"
The B.E. Journal of Theoretical Economics,
De Gruyter, vol. 5(1), pages 1-26, August.
- Ayşe İmrohoroğlu & Selahattin İmrohoroğlu & Douglas H. Joines, 2003. "Time-Inconsistent Preferences and Social Security," The Quarterly Journal of Economics, Oxford University Press, vol. 118(2), pages 745-784.
- 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.
- 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.
- Jiang, Lily, 2010. "Estate tax and lifetime income inequality," Economic Modelling, Elsevier, vol. 27(3), pages 613-619, May.
- Eric Rasmusen, 2008. "Some Common Confusions about Hyperbolic Discounting," Working Papers 2008-11, Indiana University, Kelley School of Business, Department of Business Economics and Public Policy.
- Michael D. Hurd & Daniel L. McFadden & Li Gan, 1998. "Subjective Survival Curves and Life Cycle Behavior," NBER Chapters, in: Inquiries in the Economics of Aging, pages 259-309 National Bureau of Economic Research, Inc.
- Imrohoroglu, Ayse & Imrohoroglu, Selahattin & Joines, Douglas H, 1995. "A Life Cycle Analysis of Social Security," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 6(1), pages 83-114, June.
- van de Ven, Justin, 2011.
"A structural dynamic microsimulation model of household savings and labour supply,"
Elsevier, vol. 28(4), pages 2054-2070, July.
- Dr Justin van de Ven, 2011. "A Structural Dynamic Microsimulation Model of Household Savings and Labour Supply," NIESR Discussion Papers 385, National Institute of Economic and Social Research.
- Daniel S. Hamermesh, 1982. "Expectations, Life Expectancy, and Economic Behavior," NBER Working Papers 0835, National Bureau of Economic Research, Inc.
- T. Findley & Frank Caliendo, 2009. "Short horizons, time inconsistency, and optimal social security," International Tax and Public Finance, Springer;International Institute of Public Finance, vol. 16(4), pages 487-513, August.
- Mathieu-Bolh, Nathalie, 2010. "Welfare improving distributionally neutral tax reforms," Economic Modelling, Elsevier, vol. 27(5), pages 1253-1268, September.
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