Free-riding behavior in vaccination decisions: an experimental study.

Individual decision-making regarding vaccination may be affected by the vaccination choices of others. As vaccination produces externalities reducing transmission of a disease, it can provide an incentive for individuals to be free-riders who benefit from the vaccination of others while avoiding the...

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Autores principales:	Yoko Ibuka, Meng Li, Jeffrey Vietri, Gretchen B Chapman, Alison P Galvani
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/505a72a1a1554648bff878ea3edfb7e7
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spelling	oai:doaj.org-article:505a72a1a1554648bff878ea3edfb7e72021-11-18T08:35:49ZFree-riding behavior in vaccination decisions: an experimental study.1932-620310.1371/journal.pone.0087164https://doaj.org/article/505a72a1a1554648bff878ea3edfb7e72014-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24475246/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203Individual decision-making regarding vaccination may be affected by the vaccination choices of others. As vaccination produces externalities reducing transmission of a disease, it can provide an incentive for individuals to be free-riders who benefit from the vaccination of others while avoiding the cost of vaccination. This study examined an individual's decision about vaccination in a group setting for a hypothetical disease that is called "influenza" using a computerized experimental game. In the game, interactions with others are allowed. We found that higher observed vaccination rate within the group during the previous round of the game decreased the likelihood of an individual's vaccination acceptance, indicating the existence of free-riding behavior. The free-riding behavior was observed regardless of parameter conditions on the characteristics of the influenza and vaccine. We also found that other predictors of vaccination uptake included an individual's own influenza exposure in previous rounds increasing the likelihood of vaccination acceptance, consistent with existing empirical studies. Influenza prevalence among other group members during the previous round did not have a statistically significant effect on vaccination acceptance in the current round once vaccination rate in the previous round was controlled for.Yoko IbukaMeng LiJeffrey VietriGretchen B ChapmanAlison P GalvaniPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 1, p e87164 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Yoko Ibuka Meng Li Jeffrey Vietri Gretchen B Chapman Alison P Galvani Free-riding behavior in vaccination decisions: an experimental study.
description	Individual decision-making regarding vaccination may be affected by the vaccination choices of others. As vaccination produces externalities reducing transmission of a disease, it can provide an incentive for individuals to be free-riders who benefit from the vaccination of others while avoiding the cost of vaccination. This study examined an individual's decision about vaccination in a group setting for a hypothetical disease that is called "influenza" using a computerized experimental game. In the game, interactions with others are allowed. We found that higher observed vaccination rate within the group during the previous round of the game decreased the likelihood of an individual's vaccination acceptance, indicating the existence of free-riding behavior. The free-riding behavior was observed regardless of parameter conditions on the characteristics of the influenza and vaccine. We also found that other predictors of vaccination uptake included an individual's own influenza exposure in previous rounds increasing the likelihood of vaccination acceptance, consistent with existing empirical studies. Influenza prevalence among other group members during the previous round did not have a statistically significant effect on vaccination acceptance in the current round once vaccination rate in the previous round was controlled for.
format	article
author	Yoko Ibuka Meng Li Jeffrey Vietri Gretchen B Chapman Alison P Galvani
author_facet	Yoko Ibuka Meng Li Jeffrey Vietri Gretchen B Chapman Alison P Galvani
author_sort	Yoko Ibuka
title	Free-riding behavior in vaccination decisions: an experimental study.
title_short	Free-riding behavior in vaccination decisions: an experimental study.
title_full	Free-riding behavior in vaccination decisions: an experimental study.
title_fullStr	Free-riding behavior in vaccination decisions: an experimental study.
title_full_unstemmed	Free-riding behavior in vaccination decisions: an experimental study.
title_sort	free-riding behavior in vaccination decisions: an experimental study.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/505a72a1a1554648bff878ea3edfb7e7
work_keys_str_mv	AT yokoibuka freeridingbehaviorinvaccinationdecisionsanexperimentalstudy AT mengli freeridingbehaviorinvaccinationdecisionsanexperimentalstudy AT jeffreyvietri freeridingbehaviorinvaccinationdecisionsanexperimentalstudy AT gretchenbchapman freeridingbehaviorinvaccinationdecisionsanexperimentalstudy AT alisonpgalvani freeridingbehaviorinvaccinationdecisionsanexperimentalstudy
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Free-riding behavior in vaccination decisions: an experimental study.

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