Opinions and vaccination during an epidemic

Josselin Thuilliez () and Nouhoum Touré ()
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Josselin Thuilliez: CREM - Centre de recherche en économie et management - UNICAEN - Université de Caen Normandie - NU - Normandie Université - UR - Université de Rennes - CNRS - Centre National de la Recherche Scientifique, UR - Université de Rennes
Nouhoum Touré: CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, UP1 - Université Paris 1 Panthéon-Sorbonne

Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) from HAL

Abstract: High levels of vaccine hesitancy remain poorly understood during an epidemic. Using high-frequency data in France at departmental level and exploiting the Covid-19 vaccination campaign calendar, we observe that vaccination among the elderly influences vaccination among young adults. We then propose a simple epidemiological economic model with two partially vaccinated demographic groups – the young and the elderly – and two opinions on vaccination - "vaxxers" and "antivaxxers". The utility to get vaccinated for the young depends on the vaccination behavior of the elderly, their opinion of the vaccine and the epidemic environment. Our results suggest that mutual interactions between individuals' vaccination opinions and infection prevalence may lead to the emergence of oscillations and disease traps. The vaccination behavior of the elderly can be harnessed to promote vaccination.

Keywords: Vaccination; Economic epidemiology; Opinion dynamics (search for similar items in EconPapers)
Date: 2024-04
New Economics Papers: this item is included in nep-age and nep-hea
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Published in Journal of Mathematical Economics, 2024, 111, pp.102962. ⟨10.1016/j.jmateco.2024.102962⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:cesptp:hal-04490900

DOI: 10.1016/j.jmateco.2024.102962

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