Sibling Spillovers and the Choice to Get Vaccinated: Evidence from a Regression Discontinuity Design

Maria Humlum, Marius Opstrup Morthorst () and Peter Rønø Thingholm ()
Additional contact information
Marius Opstrup Morthorst: Aarhus University
Peter Rønø Thingholm: Aarhus University

No 15109, IZA Discussion Papers from Institute of Labor Economics (IZA)

Abstract: We investigate the effects of the introduction of a population-wide Human Papillomavirus (HPV) vaccination program on the vaccine take-up of the targeted group of 15-year-old girls and their older sisters. For identification, we rely on a regression discontinuity design and high-quality Danish administrative data to exploit that date of birth determines program eligibility. We find that the program increased the HPV vaccine take-up of both the targeted girls and their older sisters. While the direct effects of the program reduced vaccine-takeup inequality, the spillover effects, in contrast, contributed to an increase in vaccine take-up inequality.

Keywords: health investments; health behavior; peer effects; sibling spillovers; HPV; vaccine; health inequality (search for similar items in EconPapers)
JEL-codes: I10 I12 I14 I18 (search for similar items in EconPapers)
Pages: 48 pages
Date: 2022-02
New Economics Papers: this item is included in nep-edu, nep-eur and nep-hea
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Citations: View citations in EconPapers (3)

Published - published in: Journal of Health Economics, 2024, 94, 102843

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Journal Article: Sibling spillovers and the choice to get vaccinated: Evidence from a regression discontinuity design (2024)
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