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Insuring Consumption Against Illness

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Author Info
Paul Gertler
Jonathan Gruber

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Abstract

One of the most sizable and least predictable shocks to economic opportunities in developing countries is major illness, both in terms of medical care expenditures and lost income from reduced labor supply and productivity. As a result, families may not be able to smooth their consumption over periods of illness. In this paper, we investigate the extent to which families are able to insure consumption against major illness using a unique panel data set from Indonesia that combines excellent measures of health status with consumption information. We focus on the effect of large exogenous changes in physical functioning. We find that there are significant economic costs associated with these illnesses, albeit more from income loss than from medical expenditures. We also find a robust and striking rejection of full consumption insurance. Indeed, the deviation from full consumption smoothing is significant, particularly for illnesses that severely limit physical function; families are able to smooth less than 30 percent of the income loss from these illnesses. These estimates suggest large welfare gains from the introduction of formal disability insurance, and that the large public subsidies for medical care typical of most developing countries may improve welfare by providing consumption insurance.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 6035.

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Date of creation: May 1997
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Handle: RePEc:nbr:nberwo:6035

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Find related papers by JEL classification:
O15 - Economic Development, Technological Change, and Growth - - Economic Development - - - Economic Development: Human Resources; Human Development; Income Distribution; Migration
I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health

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  1. Attanasio, Orazio & Davis, Steven J, 1996. "Relative Wage Movements and the Distribution of Consumption," Journal of Political Economy, University of Chicago Press, vol. 104(6), pages 1227-62, December. [Downloadable!] (restricted)
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  2. Morduch, Jonathan, 1995. "Income Smoothing and Consumption Smoothing," Journal of Economic Perspectives, American Economic Association, vol. 9(3), pages 103-14, Summer. [Downloadable!] (restricted)
    Other versions:
  3. Sindelar, J. & Thomas, D., 1991. "Measurement of Child Health: Maternal Response Bias," Papers 633, Yale - Economic Growth Center.
  4. Benjamin, Dwayne, 1992. "Household Composition, Labor Markets, and Labor Demand: Testing for Separation in Agricultural Household Models," Econometrica, Econometric Society, vol. 60(2), pages 287-322, March. [Downloadable!] (restricted)
  5. Gruber, Jonathan, 1997. "The Consumption Smoothing Benefits of Unemployment Insurance," American Economic Review, American Economic Association, vol. 87(1), pages 192-205, March. [Downloadable!] (restricted)
  6. Schultz, T. Paul & Tansel, Aysit, 1997. "Wage and labor supply effects of illness in Cote d'Ivoire and Ghana: instrumental variable estimates for days disabled," Journal of Development Economics, Elsevier, vol. 53(2), pages 251-286, August. [Downloadable!] (restricted)
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  7. Hayashi, Fumio & Altonji, Joseph & Kotlikoff, Laurence, 1996. "Risk-Sharing between and within Families," Econometrica, Econometric Society, vol. 64(2), pages 261-94, March. [Downloadable!] (restricted)
  8. Strauss, J. & Thomas, D., 1995. "Empirical Modeling of Household and Family Decisions," Papers 95-12, RAND - Reprint Series.
  9. Townsend, Robert M, 1995. "Consumption Insurance: An Evaluation of Risk-Bearing Systems in Low-Income Economies," Journal of Economic Perspectives, American Economic Association, vol. 9(3), pages 83-102, Summer. [Downloadable!] (restricted)
  10. Zeldes, Stephen P, 1989. "Consumption and Liquidity Constraints: An Empirical Investigation," Journal of Political Economy, University of Chicago Press, vol. 97(2), pages 305-46, April. [Downloadable!] (restricted)
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  11. Deaton, A., 1992. "Saving and Income Smoothing in Cote d'Ivoire," Papers 156, Princeton, Woodrow Wilson School - Development Studies.
  12. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
  13. Paxson, Christina H, 1992. "Using Weather Variability to Estimate the Response of Savings to Transitory Income in Thailand," American Economic Review, American Economic Association, vol. 82(1), pages 15-33, March. [Downloadable!] (restricted)
  14. Dow, W & Gertly, P & Schoeni, R-F & Strauss, J & Thomas, D, 1997. "Health Care Prices, Health and Labor Outcomes : Experimental Evidence," Papers 97-01, RAND - Labor and Population Program.
  15. Deaton, A. & Grosh, M., 1998. "Consumption," Papers 191, Princeton, Woodrow Wilson School - Development Studies.
  16. Jonathan Gruber, 1994. "The Consumption Smoothing Benefits of Unemployment Insurance," NBER Working Papers 4750, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  17. Nelson, J.A., 1993. "On Testing for Full Insurance Using Consumer Expenditures Survey Data," Papers 93-02, California Davis - Institute of Governmental Affairs.
  18. Jonathan Gruber, 1996. "Cash Welfare as a Consumption Smoothing Mechanism for Single Mothers," NBER Working Papers 5738, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  19. Cochrane, John H, 1991. "A Simple Test of Consumption Insurance," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 957-76, October. [Downloadable!] (restricted)
  20. Mace, Barbara J, 1991. "Full Insurance in the Presence of Aggregate Uncertainty," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 928-56, October. [Downloadable!] (restricted)
  21. John Bound & Michael Schoenbaum & Timothy Waidmann, 1995. "Race and Education Differences in Disability Status and Labor Force Attachment," NBER Working Papers 5159, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  22. Townsend, Robert M, 1994. "Risk and Insurance in Village India," Econometrica, Econometric Society, vol. 62(3), pages 539-91, May. [Downloadable!] (restricted)
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