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Payments and freedoms: Effects of monetary and legal incentives on COVID-19 vaccination intentions in Germany

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  • Philipp Sprengholz
  • Luca Henkel
  • Cornelia Betsch

Abstract

Monetary and legal incentives have been proposed to promote COVID-19 vaccination uptake. To evaluate the suitability of incentives, an experiment with German participants examined the effects of payments (varied within subjects: 0 to 10,000 EUR) and freedoms (varied between subjects: vaccination leading vs. not leading to the same benefits as a negative test result) on the vaccination intentions of previously unvaccinated individuals (n = 782) in April 2021. While no effect could be found for freedoms, the share of participants willing to be vaccinated increased with the payment amount. However, a significant change required large rewards of 3,250 EUR or more. While monetary incentives could increase vaccination uptake by a few percentage points, the high costs of implementation challenge the efficiency of the measure and call for alternatives. As the data suggest that considering vaccination as safe, necessary, and prosocial increases an individual’s likelihood of wanting to get vaccinated without payment, interventions should focus on these features when promoting vaccination against COVID-19.

Suggested Citation

  • Philipp Sprengholz & Luca Henkel & Cornelia Betsch, 2022. "Payments and freedoms: Effects of monetary and legal incentives on COVID-19 vaccination intentions in Germany," PLOS ONE, Public Library of Science, vol. 17(5), pages 1-11, May.
    • Handle: RePEc:plo:pone00:0268911
    DOI: 10.1371/journal.pone.0268911
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    1. Cornelia Betsch & Robert Böhm & Lars Korn & Cindy Holtmann, 2017. "On the benefits of explaining herd immunity in vaccine advocacy," Nature Human Behaviour, Nature, vol. 1(3), pages 1-6, March.
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