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Can Words Get in the Way? The Effect of Deliberation in Collective Decision Making

Author(s): Iaryczower, Matias; Shi, Xiaoxia; Shum, Matthew

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Abstract: We quantify the effect of deliberation on the decisions of US appellate courts. We estimate a model in which strategic judges communicate before casting their votes and then compare the probability of mistakes in the court with deliberation with a counterfactual of no communication. The model has multiple equilibria, and preferences and information parameters are only partially identified. We find that there is a range of parameters in the identified set—when judges tend to disagree ex ante or their private information is imprecise—in which deliberation can be beneficial; otherwise, deliberation reduces the effectiveness of the court. © 2018 by The University of Chicago.
Publication Date: 7-Mar-2018
Citation: Iaryczower, M, Shi, X, Shum, M. (2018). Can Words Get in the Way? The Effect of Deliberation in Collective Decision Making. Journal of Political Economy, 126 (2), 688 - 734. doi:10.1086/696228
DOI: doi:10.1086/696228
ISSN: 0022-3808
EISSN: 1537-534X
Pages: 688 - 734
Type of Material: Journal Article
Journal/Proceeding Title: Journal of Political Economy
Version: Final published version. Article is made available in OAR by the publisher's permission or policy.

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