Optimal deductible and coinsurance policies under mean-variance preferences
by Christopher Gaffney
International Journal of Operational Research (IJOR), Vol. 44, No. 3, 2022

Abstract: The paper presents a mean-variance analysis of optimal insurance coverage, showing how the relationship between the attitudes of the insured, in the form of their risk tolerance level, and the insurer, in the form of the insurance premium, affects insurance demand. Optimal parameter values (deductible, coverage limit, coinsurance level, and stop-loss limit) are derived, and policies which include coinsurance and either a stop-loss limit or a deductible reduce to a straight deductible policy in the optimum, are shown. Also shown was that straight coinsurance is inferior to these policies.

Online publication date: Wed, 13-Jul-2022

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