An Analysis of Peer Effects on Vaccination Behavior Using a Model of Privately Provided Public Goods

45 Pages Posted: 8 May 2018

See all articles by Yoko Ibuka

Yoko Ibuka

Hitotsubashi University - Graduate School of Economics

Jun-ichi Itaya

Hokkaido University - Division of Modern Economics and Management

Naomi Miyazato

Nihon University

Date Written: March 14, 2018

Abstract

Traditional economic models of vaccination behavior simply assume that agents free-ride on the vaccination decisions of others. We provide three different models of private provision of a public good, such as a joint production model and a conjectural variation model, to explain how a positive peer effect regarding vaccination behavior arises. We conduct two empirical studies using Japanese data in these models. The first empirical analysis, using a data set on the vaccination behavior of neighbors residing in the same block of a city, finds the existence of positive peer effects on individuals’ vaccination decisions. The second empirical analysis also confirms that there are peer effects on the vaccination decisions of members of the same household using a dataset from the national survey we conduct.

Keywords: peer effect, public good, vaccination, free-rider

JEL Classification: H410, H120

Suggested Citation

Ibuka, Yoko and Itaya, Jun-ichi and Miyazato, Naomi, An Analysis of Peer Effects on Vaccination Behavior Using a Model of Privately Provided Public Goods (March 14, 2018). CESifo Working Paper Series No. 6933. Available at SSRN: https://ssrn.com/abstract=3172647

Yoko Ibuka

Hitotsubashi University - Graduate School of Economics ( email )

Naka 2-1
Kunitachi, Tokyo 186-8601
Japan

Jun-ichi Itaya (Contact Author)

Hokkaido University - Division of Modern Economics and Management ( email )

Sapporo 060-0809
Japan

Naomi Miyazato

Nihon University

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