Arbeitspapier
Group identity and belief formation: A decomposition of political polarization
How does group identity affect belief formation? To address this question, we conduct a series of online experiments with a representative sample of individuals in the US. Using the setting of the 2020 US presidential election, we find evidence of intergroup preference across three distinct components of the belief formation cycle: a biased prior belief, avoidance of outgroup information sources, and a belief-updating process that places greater (less) weight on prior (new) information. We further find that an intervention reducing the salience of information sources decreases outgroup information avoidance by 50%. In a social learning context in wave 2, we find participants place 33% more weight on ingroup than outgroup guesses. Through two waves of interventions, we identify source utility as the mechanism driving group effects in belief formation. Our analyses indicate that our observed effects are driven by groupy participants who exhibit stable and consistent intergroup preferences in both allocation decisions and belief formation across all three waves. These results suggest that policymakers could reduce the salience of group and partisan identity associated with a policy to decrease outgroup information avoidance and increase policy uptake.
- Sprache
-
Englisch
- Erschienen in
-
Series: SAFE Working Paper ; No. 409
- Klassifikation
-
Wirtschaft
Market Design
Bargaining Theory; Matching Theory
Design of Experiments: Laboratory, Group Behavior
Asymmetric and Private Information; Mechanism Design
- Thema
-
group identity
information demand
information processing
political polarization
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Bauer, Kevin
Chen, Yan
Hett, Florian
Kosfeld, Michael
- Ereignis
-
Veröffentlichung
- (wer)
-
Leibniz Institute for Financial Research SAFE
- (wo)
-
Frankfurt a. M.
- (wann)
-
2023
- DOI
-
doi:10.2139/ssrn.4670473
- Handle
- Letzte Aktualisierung
-
10.03.2025, 11:42 MEZ
Datenpartner
ZBW - Deutsche Zentralbibliothek für Wirtschaftswissenschaften - Leibniz-Informationszentrum Wirtschaft. Bei Fragen zum Objekt wenden Sie sich bitte an den Datenpartner.
Objekttyp
- Arbeitspapier
Beteiligte
- Bauer, Kevin
- Chen, Yan
- Hett, Florian
- Kosfeld, Michael
- Leibniz Institute for Financial Research SAFE
Entstanden
- 2023
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