We axiomatize updating rules for preferences that are not necessarily in the expected utility class. Two sets of results are presented. The first is the axiomatization and representation of conditional preferences. The second consists of the axiomatization of three updating rules: the...

We propose a model of the phenomenon of persuasion. We argue that individual beliefs evolve in a way that overweights the opinions and information of individuals whom they "listen to" relative to other individuals. Such agents can be understood to be acting as though they believe they listen to...