Adverse Selection and Moral Hazard In Insurance: Can Dynamic Data Help to Distinguish?

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Adverse Selection and Moral Hazard In Insurance: Can Dynamic Data Help to Distinguish?

Author Info

Jaap H. Abbring (Free University,)
James J. Heckman (University of Chicago,)
Pierre-André Chiappori (University of Chicago,)
Jean Pinquet (Université Paris X-Nanterre,)

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Abstract

A standard problem of applied contracts theory is to empirically distinguish between adverse selection and moral hazard. We show that dynamic insurance data allow to distinguish moral hazard from dynamic selection on unobservables. In the presence of moral hazard, experience rating implies negative occurrence dependence: individual claim intensities decrease with the number of past claims. We discuss econometric tests for the various types of data that are typically available. Finally, we argue that dynamic data also allow to test for adverse selection, even if it is based on asymmetric learning. (JEL: D82, G22, C41, C14) Copyright (c) 2003 The European Economic Association.

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Article provided by MIT Press in its journal Journal of the European Economic Association.

Volume (Year): 1 (2003)
Issue (Month): 2-3 (04/05)
Pages: 512-521
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Handle: RePEc:tpr:jeurec:v:1:y:2003:i:2-3:p:512-521

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Dionne, G. & Michaud, P.C. & Dahchour, M., 2004. "Separating moral hazard from adverse selection in automobile insurance : longitudinal evidence from France," Discussion Paper 79, Tilburg University, Center for Economic Research. [Downloadable!]
Other versions:
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Feess, Eberhard & Frick, Bernd & Muehlheusser, Gerd, 2004. "Legal Restrictions on Buyout Fees: Theory and Evidence from German Soccer," IZA Discussion Papers 1180, Institute for the Study of Labor (IZA). [Downloadable!]
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Other versions:
- Dubois, Pierre & Vukina, Tomislav, 2006. "Optimal Incentives under Moral Hazard and Heterogeneous Agents: Evidence from Production Contracts Data," 2006 Annual Meeting, August 12-18, 2006, Queensland, Australia 25568, International Association of Agricultural Economists. [Downloadable!]
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Anja Deelen, 2005. "Adverse selection in disability insurance: empirical evidence for Dutch firms," CPB Discussion Papers 46, CPB Netherlands Bureau for Economic Policy Analysis. [Downloadable!]
GÓMEZ GARCÍA, J.Mª & PELÁEZ FERMOSO, F.J. & y GARCÍA GONZÁLEZ, A., 2005. "Repercusiones del envejecimiento demográfico sobre el sistema público de pensiones en Castilla y León," Estudios de Economía Aplicada, Estudios de Economía Aplicada, vol. 23, pages 235-253, Abril. [Downloadable!] (restricted)
Jaap Abbring & Pierre-André Chiappori & Tibor Zavadil, 2008. "Better Safe than Sorry? Ex Ante and Ex Post Moral Hazard in Dynamic Insurance Data," Tinbergen Institute Discussion Papers 08-075/3, Tinbergen Institute. [Downloadable!]
Other versions:
- Abbring, J.H. & Chiappori, P.A. & Zavadil, T., 2008. "Better Safe than Sorry? Ex Ante and Ex Post Moral Hazard in Dynamic Insurance Data," Discussion Paper 2008-77, Tilburg University, Center for Economic Research. [Downloadable!]
Florian Heiss & Daniel McFadden & Joachim Winter, 2007. "Mind the Gap! Consumer Perceptions and Choices of Medicare Part D Prescription Drug Plans," NBER Working Papers 13627, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
Fang, Hanming & Keane, Michael & Silverman, Dan, 2006. "Sources of Advantageous Selection: Evidence from the Medigap Insurance Market," Working Papers 17, Yale University, Department of Economics. [Downloadable!]
Other versions:
- Hanming Fang & Michael P. Keane & Dan Silverman, 2006. "Sources of Advantageous Selection: Evidence from the Medigap Insurance Market," NBER Working Papers 12289, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
- Hanming Fang & Michael P. Keane & Dan Silverman, 2008. "Sources of Advantageous Selection: Evidence from the Medigap Insurance Market," Journal of Political Economy, University of Chicago Press, vol. 116(2), pages 303-350, 04. [Downloadable!] (restricted)
Johanna Vásquez Velásquez & Karoll Gómez Portilla, 2004. "Selección adversa en el régimen contributivo de salud: el caso de la EPS de Susalud," BORRADORES DEL CIE 003489, UNIVERSIDAD DE ANTIOQUIA - CIE. [Downloadable!]
Florian Heiss & Daniel McFadden & Joachim Winter, 2008. "Mind the Gap! Consumer Perceptions and Choices," MEA discussion paper series 08156, Mannheim Research Institute for the Economics of Aging (MEA), University of Mannheim. [Downloadable!]
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Eberhard Feess & Bernd Frick & Gerd Muehlheusser, 2004. "Legal Restrictions on Buyout Fees: Theory and Evidence from German Soccer," Diskussionsschriften dp0411, Universitaet Bern, Departement Volkswirtschaft. [Downloadable!]

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