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Self-protection with random costs

Author

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  • David Crainich

    (LEM - Lille économie management - UMR 9221 - UA - Université d'Artois - UCL - Université catholique de Lille - Université de Lille - CNRS - Centre National de la Recherche Scientifique)

  • Mario Menegatti
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

  • David Crainich & Mario Menegatti, 2021. "Self-protection with random costs," Post-Print hal-03273664, HAL.
    • Handle: RePEc:hal:journl:hal-03273664
    DOI: 10.1016/j.insmatheco.2021.02.006
    Note: View the original document on HAL open archive server: https://hal.science/hal-03273664
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    References listed on IDEAS

    as
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    Cited by:

    1. Camille Cornand & Maria Alejandra Erazo Diaz & Béatrice Rey & Adam Zylbersztejn, 2023. "On the robustness of higher order attitudes to ambiguity framing," Working Papers 2318, Groupe d'Analyse et de Théorie Economique Lyon St-Étienne (GATE Lyon St-Étienne), Université de Lyon.
    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

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

    JEL classification:

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

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