On the effect of uncertainty on personal vaccination decisions

Christophe Courbage and Richard Peter

Health Economics, 2021, vol. 30, issue 11, 2937-2942

Abstract: This study investigates the effect of ambiguity on personal vaccination decisions. We first characterize the vaccination decision in the absence of ambiguity. We then show that uncertainty about the probability of side effects and the efficacy of the vaccine always reduces take‐up under ambiguity aversion. However, uncertainty about the underlying disease, being the probability of sickness or the probability of a severe course of disease, may either encourage or discourage vaccination. Our results are relevant for policy because reducing uncertainty associated with the vaccine always has the desired effect whereas reducing uncertainty associated with the disease may have unintended consequences.

Date: 2021
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https://doi.org/10.1002/hec.4405

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Persistent link: https://EconPapers.repec.org/RePEc:wly:hlthec:v:30:y:2021:i:11:p:2937-2942

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