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Self-Protection and Insurance with Interdependencies

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Author Info
Alexander Muermann
Howard Kunreuther
Abstract

We study optimal investment in self-protection of insured individuals when they face interdependencies in the form of potential contamination from others. If individuals cannot coordinate their actions, then the positive externality of investing in self-protection implies that, in equilibrium, individuals underinvest in self-protection. Limiting insurance coverage through deductibles can partially internalize this externality and thereby improve individual and social welfare.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 12827.

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Date of creation: Jan 2007
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Handle: RePEc:nbr:nberwo:12827

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Find related papers by JEL classification:
C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions
D80 - Microeconomics - - Information, Knowledge, and Uncertainty - - - General
G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies
H23 - Public Economics - - Taxation, Subsidies, and Revenue - - - Externalities; Redistributive Effects; Environmental Taxes and Subsidies

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Shavell, Steven, 1991. "Individual precautions to prevent theft: Private versus socially optimal behavior," International Review of Law and Economics, Elsevier, vol. 11(2), pages 123-132, September. [Downloadable!] (restricted)
  2. Steven Shavell, 1990. "Individual Precautions to Prevent Theft: Private Versus Socially OptimalBehavior," NBER Working Papers 3560, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  3. Ehrlich, Isaac & Becker, Gary S, 1972. "Market Insurance, Self-Insurance, and Self-Protection," Journal of Political Economy, University of Chicago Press, vol. 80(4), pages 623-48, July-Aug.. [Downloadable!] (restricted)
  4. Kunreuther, Howard & Heal, Geoffrey, 2003. " Interdependent Security," Journal of Risk and Uncertainty, Springer, vol. 26(2-3), pages 231-49, March-May. [Downloadable!] (restricted)
  5. Ian Ayres & Steven D. Levitt, 1998. "Measuring Positive Externalities From Unobservable Victim Precaution: An Empirical Analysis Of Lojack," The Quarterly Journal of Economics, MIT Press, vol. 113(1), pages 43-77, February. [Downloadable!] (restricted)
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  6. Harris Schlesinger & Emilio Venezian, 1986. "Insurance Markets with Loss-Prevention Activity: Profits, Market Structure, and Consumer Welfare," RAND Journal of Economics, The RAND Corporation, vol. 17(2), pages 227-238, Summer. [Downloadable!] (restricted)
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  1. Alexander Muermann & Howard Kunreuther, 2008. "Self-protection and insurance with interdependencies," Journal of Risk and Uncertainty, Springer, vol. 36(2), pages 103-123, April. [Downloadable!] (restricted)
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