In our main article, Miura and Yamashita (2014) ("On the possibility of information transmission"), we have shown in a cheap-talk environment that "assuming full revelation in a common-knowledge environment" implies a very different conclusion for models with slight misspeci fication in the...

Mean-preserving contractions are critical for studying Bayesian models of information design. We introduce the class of bi-pooling policies, and the class of bi-pooling distributions as their induced distributions over posteriors. We show that every extreme point in the set of all...