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Self-protection with random costs

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  • Crainich, David
  • Menegatti, Mario

Abstract

We study the consequences of introducing random costs (as opposed to certain costs) on the propensity to implement self-protection actions, i.e. actions reducing the probability of a loss. Our analysis is performed in four standard self-protection frameworks: (1) the one-period model in which the cost and benefit occur at the same period of time; (2) a variation of this one-period model where wealth in each state of nature is a random variable; (3) the one-period model where the cost of the self-protection action is only paid in the absence of loss; (4) the two-period model in which the cost of self-protection precedes its benefit. For each of these models we provide a set of conditions ensuring clear-cut effects to occur and a specific interpretation for each of them.

Suggested Citation

  • Crainich, David & Menegatti, Mario, 2021. "Self-protection with random costs," Insurance: Mathematics and Economics, Elsevier, vol. 98(C), pages 63-67.
    • Handle: RePEc:eee:insuma:v:98:y:2021:i:c:p:63-67
    DOI: 10.1016/j.insmatheco.2021.02.006
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    Cited by:

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    2. P. Battiston & M. Menegatti, 2022. "Interaction in Prevention: A General Theory and an Application to COVID-19 Pandemic," Economics Department Working Papers 2022-EP02, Department of Economics, Parma University (Italy).

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    More about this item

    Keywords

    Self-protection; Random costs of self-protection; Risk aversion; Prudence; Prevention;
    All these keywords.

    JEL classification:

    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty

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