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Social insurance and redistribution with moral hazard and adverse selection

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  • BOADWAY, Robin
  • LEITE-MONTEIRO, Manuel
  • MARCHAND, Maurice
  • PESTIEAU, Pierre

Abstract

Rochet (1989) showed that with distortionary income taxes, social insurance is a desirable redistributive device when risk and ability are negatively correlated. This finding is reexamined when ex post moral hazard and adverse selection are included, and under different informational assumptions. Individuals can take actions influencing the size of the loss in the event of accident (or ill health). Social insurance can be supplemented by private insurance, but private insurance markets are affected by both adverse selection and moral hazard. We study how equity and efficiency considerations should be traded off in choosing the optimal coverage of social insurance when those features are introduced. The case for social insurance is strongest when the government is well informed about household productivity.

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Bibliographic Info

Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers with number 2004083.

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Date of creation: 00 Dec 2004
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Handle: RePEc:cor:louvco:2004083

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Keywords: social insurance; redistribution; market failures;

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References

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  1. Cutler, David M., 2002. "Health care and the public sector," Handbook of Public Economics, in: A. J. Auerbach & M. Feldstein (ed.), Handbook of Public Economics, edition 1, volume 4, chapter 31, pages 2143-2243 Elsevier.
  2. BOADWAY, Robin & LEITE-MONTEIR, Manuel & MARCHAND, Maurice & PESTIEAU, Pierre, . "Social insurance and redistribution," CORE Discussion Papers RP -1643, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  3. Hindriks, Jean & De Donder, Philippe, 2003. "The politics of redistributive social insurance," Journal of Public Economics, Elsevier, vol. 87(12), pages 2639-2660, December.
  4. Eckstein, Zvi & Eichenbaum, Martin & Peled, Dan, 1985. "Uncertain lifetimes and the welfare enhancing properties of annuity markets and social security," Journal of Public Economics, Elsevier, vol. 26(3), pages 303-326, April.
  5. Olivia S. Mitchell, 1996. "Administrative Costs in Public and Private Retirement Systems," NBER Working Papers 5734, National Bureau of Economic Research, Inc.
  6. B. Dahlby, 1981. "Adverse selection and Pareto improvements through compulsory insurance," Public Choice, Springer, vol. 37(3), pages 547-558, January.
  7. Manning, Willard G, et al, 1987. "Health Insurance and the Demand for Medical Care: Evidence from a Randomized Experiment," American Economic Review, American Economic Association, vol. 77(3), pages 251-77, June.
  8. Petretto, Alessandro, 1999. "Optimal social health insurance with supplementary private insurance," Journal of Health Economics, Elsevier, vol. 18(6), pages 727-745, December.
  9. CREMER, Helmuth & PESTIEAU, Pierre, 1995. "Redistributive Taxation and Social Insurance," CORE Discussion Papers 1995054, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  10. Diamond, Peter, 1992. "Organizing the Health Insurance Market," Econometrica, Econometric Society, vol. 60(6), pages 1233-54, November.
  11. Blomqvist, Ake & Horn, Henrik, 1984. "Public health insurance and optimal income taxation," Journal of Public Economics, Elsevier, vol. 24(3), pages 353-371, August.
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Cited by:
  1. Nick Netzer & Florian Scheuer, 2009. "Competitive Screening in Insurance Markets with Endogenous Wealth Heterogeneity," SOI - Working Papers 0907, Socioeconomic Institute - University of Zurich, revised Jun 2009.
  2. Kifmann, Mathias & Roeder, Kerstin, 2011. "Premium subsidies and social health insurance: Substitutes or complements?," Journal of Health Economics, Elsevier, vol. 30(6), pages 1207-1218.
  3. Susanna Kochskämper, 2012. "Reformdebatten in der Krankenversicherung vor dem Hintergrund des europäischen Binnenmarktes," Otto-Wolff-Institut Discussion Paper Series 02/2012, Otto-Wolff-Institut für Wirtschaftsordnung, Köln, Deutschland.
  4. Steven Poelhekke & Frederick Van der Ploeg, 2008. "Globalization and the Rise of Mega-Cities in the Developing World," CESifo Working Paper Series 2208, CESifo Group Munich.
  5. Janet Currie & Firouz Gahvari, 2007. "Transfers in Cash and In Kind: Theory Meets the Data," NBER Working Papers 13557, National Bureau of Economic Research, Inc.
  6. Nick Netzer & Florian Scheuer, 2005. "Taxation, Insurance and Precautionary Labor," Discussion Papers of DIW Berlin 516, DIW Berlin, German Institute for Economic Research.
  7. Raj Chetty & Emmanuel Saez, 2008. "Optimal Taxation and Social Insurance with Endogenous Private Insurance," NBER Working Papers 14403, National Bureau of Economic Research, Inc.
  8. Yukihiro Nishimura, 2009. "Redistributive taxation and social insurance under adverse selection in the insurance market," International Tax and Public Finance, Springer, vol. 16(2), pages 176-197, April.
  9. Frederick van der Ploeg, 2004. "The Welfare State, Redistribution and the Economy, Reciprocal Altruism, Consumer Rivalry and Second Best," CESifo Working Paper Series 1234, CESifo Group Munich.
  10. Anja Deelen, 2005. "Adverse selection in disability insurance; empirical evidence for Dutch firms," CPB Discussion Paper 46, CPB Netherlands Bureau for Economic Policy Analysis.

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