frameworks endowed with a common prior. When communication is private and nobody is excluded from it, we show that ambiguity …-free communication is a necessary and sufficient condition for a consensus to emerge. However, when communication is public, ambiguity …

This paper proposes that the ambiguity reflected by a set of priors remains unchanged when the set is translated within … the probability simplex, i.e. ambiguity is location invariant. This unifies and generalises numerous influential … definitions of ambiguity in the literature. Location invariance is applied to normal form games where players perceive strategic …