Regret Averse Opinion Aggregation

Lee Elkin*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


It is often suggested that when opinions differ among individuals in a group, the opinions should be aggregated to form a compromise. This paper compares two approaches to aggregating opinions, linear pooling and what I call opinion agglomeration. In evaluating both strategies, I propose a pragmatic criterion, No Regrets, entailing that an aggregation strategy should prevent groups from buying and selling bets on events at prices regretted by their members. I show that only opinion agglomeration is able to satisfy the demand. I then proceed to give normative and empirical arguments in support of the pragmatic criterion for opinion aggregation, and that ultimately favor opinion agglomeration.
Original languageEnglish
Pages (from-to)473-495
JournalErgo: An Open Access Journal of Philosophy
Publication statusPublished - 13 Dec 2021


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