Dynamic Insurance Contracts and Adverse Selection

15 Pages Posted: 19 Feb 2005

See all articles by Maarten Janssen

Maarten Janssen

University of Vienna - Faculty of Business, Economics, and Statistics

Vladimir A. Karamychev

Erasmus University Rotterdam (EUR) - Erasmus School of Economics (ESE)

Abstract

We take a dynamic perspective on insurance markets under adverse selection and study a dynamic version of the Rothschild and Stiglitz model. We investigate the nature of dynamic insurance contracts by considering both conditional and unconditional dynamic contracts. An unconditional dynamic contract has insurance companies offering contracts where the terms of the contract depend on time, but not on the occurrence of past accidents. Conditional dynamic contracts make the actual contract also depend on individual past performance (such as in car insurances). We show that dynamic insurance contracts yield a welfare improvement only if they are conditional on past performance. With conditional contracts, the first-best can be approximated if the contract lasts long. Moreover, this is true for any fraction of low-risk agents in the population.

Suggested Citation

Janssen, Maarten C. W. and Karamychev, Vladimir A., Dynamic Insurance Contracts and Adverse Selection. Available at SSRN: https://ssrn.com/abstract=669217

Maarten C. W. Janssen (Contact Author)

University of Vienna - Faculty of Business, Economics, and Statistics ( email )

Vienna, A-1210
Austria

Vladimir A. Karamychev

Erasmus University Rotterdam (EUR) - Erasmus School of Economics (ESE) ( email )

P.O. Box 1738
3000 DR Rotterdam, NL 3062 PA
Netherlands

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