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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 G.
  • Pestieau, Pierre

Abstract

This Paper starts from the result of Rochet (1989), that with distortionary income taxes social insurance is a desirable redistributive device when risk and ability are negatively correlated. This finding is re-examined 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. The main purpose of the present Paper is to study how equity and efficiency considerations should be traded off in choosing the optimal coverage of social insurance when those features are introduced.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 4253.

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Date of creation: Feb 2004
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Handle: RePEc:cpr:ceprdp:4253

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Keywords: market failures; redistribution; social insurance;

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References

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  1. Diamond, Peter, 1992. "Organizing the Health Insurance Market," Econometrica, Econometric Society, vol. 60(6), pages 1233-54, November.
  2. 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).
  3. Olivia S. Mitchell, . "Administrative Costs in Public and Private Retirement Systems," Pension Research Council Working Papers 96-4, Wharton School Pension Research Council, University of Pennsylvania.
  4. Hindriks, Jean & De Donder, Philippe, 2003. "The politics of redistributive social insurance," Journal of Public Economics, Elsevier, vol. 87(12), pages 2639-2660, December.
  5. Petretto, Alessandro, 1999. "Optimal social health insurance with supplementary private insurance," Journal of Health Economics, Elsevier, vol. 18(6), pages 727-745, December.
  6. B. Dahlby, 1981. "Adverse selection and Pareto improvements through compulsory insurance," Public Choice, Springer, vol. 37(3), pages 547-558, January.
  7. PESTIEAU, Pierre, . "Social insurance and redistribution," CORE Discussion Papers RP -1642, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  8. David M. Cutler, 2002. "Health Care and the Public Sector," NBER Working Papers 8802, National Bureau of Economic Research, Inc.
  9. 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.
  10. 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.
  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. 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.
  2. 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.
  3. Raj Chetty & Emmanuel Saez, 2008. "Optimal Taxation and Social Insurance with Endogenous Private Insurance," NBER Working Papers 14403, National Bureau of Economic Research, Inc.
  4. 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.
  5. Nick Netzer & Florian Scheuer, 2010. "Competitive screening in insurance markets with endogenous wealth heterogeneity," Economic Theory, Springer, vol. 44(2), pages 187-211, August.
  6. 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.
  7. Nick Netzer & Florian Scheuer, 2005. "Taxation, Insurance and Precautionary Labor," Discussion Papers of DIW Berlin 516, DIW Berlin, German Institute for Economic Research.
  8. 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.
  9. Anja Deelen, 2005. "Adverse selection in disability insurance; empirical evidence for Dutch firms," CPB Discussion Paper 46, CPB Netherlands Bureau for Economic Policy Analysis.
  10. 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.

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