Contagion of Populist Extremism

Material type: 文書・図像類

Author: Kishishita, Daikiほか

Publisher: The Institute of Social and Economic Research, Osaka University

Publication date: 2020-02-28

Material Format: Paper

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Note (General)：: To explore the propagation of undesirable policies in a form of populist extremism, we construct a social learning model featuring agency problems. Po...

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Paper

Material Type: 文書・図像類
Title: Contagion of Populist Extremism
Author/Editor: Kishishita, Daiki
Yamagishi, Atsushi
Author Heading: Kishishita, Daiki
Yamagishi, Atsushi
Publication, Distribution, etc.: The Institute of Social and Economic Research, Osaka University
Publication Date: 2020-02-28
Publication Date (W3CDTF): 2020-02-28
Periodical title: Institute of Social and Economic Research Discussion Papers
No. or year of volume/issue: 1077
Volume: 1077
Pages: 1-42
ISSN (Periodical Title): PISSN : 0473453X
EISSN : 24350982
Text Language Code: eng
Subject Heading: Political agency
Yardstick competition
Populism
Observational learning
Signaling
Target Audience: 一般
Note (General): To explore the propagation of undesirable policies in a form of populist extremism, we construct a social learning model featuring agency problems. Politicians in different countries sequentially implement a policy. Voters learn the incumbent politician’s type and the desirable policy by observing foreign policies on top of the domestic policy. We show that populist extremism is contagious across countries through the dynamic interaction between the changing public opinion and implemented policies. This structure yields interesting long-run dynamics. First, a single moderate policy could be always enough to stop the domino effect. Second, the persistence of the domino effect depends on the correlation of the desirable policy across countries. In particular, while extremism eventually ends under the perfect correlation, it may become impossible to escape from extremism under the imperfect correlation. These results reveal a new negative aspect of decentralized policymaking.
References (URI): URI
https://www.iser.osaka-u.ac.jp/library/dp/2020/DP1077.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