Regret Averse Opinion Aggregation

It is often suggested that when opinions differ among individuals in a group, the should be aggregated to form compromise. This paper compares two approaches aggregating opinions, linear pooling and what I call opinion agglomeration. In evaluating both strategies, propose pragmatic criterion, No Regrets, entailing an aggregation strategy prevent groups from buying selling bets on events at prices regretted by their members. show only agglomeration able satisfy demand. then proceed give normative empirical arguments support of criterion for aggregation, ultimately favor