How Does Opt-in Work? A Field Experiment on Financial Incentives for Physical Activity

Material type: 文書・図像類

Author: Kurokawa, Hirofumiほか

Publisher: Graduate School of Economics, Osaka University

Publication date: 2023-02

Material Format: Paper

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Note (General)：: We examined the effectiveness of two different schemes for providing financial incentives to promote physical activity. We collaborated with a local g...

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Paper

Material Type: 文書・図像類
Title: How Does Opt-in Work? A Field Experiment on Financial Incentives for Physical Activity
Author/Editor: Kurokawa, Hirofumi
Sasaki, Shusaku
Author Heading: Kurokawa, Hirofumi
https://nrid.nii.ac.jp/nrid/1000090811430
Sasaki, Shusaku
https://nrid.nii.ac.jp/nrid/1000020814586
Publication, Distribution, etc.: Graduate School of Economics, Osaka University
Publication Date: 2023-02
Publication Date (W3CDTF): 2023-02
Periodical title: Discussion Papers In Economics And Business
No. or year of volume/issue: 23-01
Volume: 23-01
Pages: 1-33
Text Language Code: eng
Subject Heading: field experiment
default
monetary incentive
health behavior
walking
Target Audience: 一般
Note (General): We examined the effectiveness of two different schemes for providing financial incentives to promote physical activity. We collaborated with a local government in Japan to conduct a field experiment with 498 residents randomly assigned to participate in one of three groups: an “opt-in” group (needed to apply to receive the incentive based on their daily steps), an “opt-out” group (received the incentive by default, but could request not to receive it), and a control group (no incentive). In the opt-in group, 31.1% of the participants applied to receive the incentive, while 100% of those in the opt-out group retained the default option and received it, indicating that their take-up rates depended heavily on the default settings. Our estimation results suggest that providing financial incentives in the opt-in scheme can be effective and efficient. The opt-in group, overall, showed a statistically significant increase of approximately 710 steps per day during the first half of the treatment period, and the number of steps was estimated to increase by 2,280 among the 31.1% of participants who opted-in to receive the incentive. The opt-out scheme did not show any significant increase in their number of daily steps.
References (URI): http://www2.econ.osaka-u.ac.jp/econ_society/dp/2301.pdf
URI
http://www2.econ.osaka-u.ac.jp/econ_society/dp/2301.pdf
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 大阪大学 : 大阪大学学術情報庫　桜華