Preferences over procedures and outcomes in judgment aggregation: an experimental study

Takuya Sekiguchi ()
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Takuya Sekiguchi: Japan Society for the Promotion of Science

Theory and Decision, 2019, vol. 86, issue 2, No 4, 239-258

Abstract: Abstract The aggregation of individual judgments on logically connected issues often leads to collective inconsistency. This study examines two collective decision-making procedures designed to avoid such inconsistency—one premise-based and the other conclusion-based. While the relative desirability of the two procedures has been studied extensively from a theoretical perspective, the preference of individuals regarding the two procedures has been less studied empirically. In the present study, a scenario-based questionnaire survey of participant preferences for the two procedures was conducted, taking into consideration prevailing social norms in the society to which the participants belong and the heterogeneity of the participants’ past experiences. Results show that a minority opinion not matching a prevailing social norm is more likely to be supported when the conclusion-based procedure is used. This can be explained by a basic property of the conclusion-based procedure: The procedure does not require voters to reveal their reasons for reaching a particular conclusion. This property proves appealing for participants who have a minority opinion. Such a finding is highly relevant to future studies on strategic behaviors in choosing a collective decision-making procedure.

Keywords: Doctrinal paradox; Framing effect; Judgment aggregation; Mixed-motivation problem; Procedural preference; Social norm (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s11238-018-9678-4

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