The main purpose of this paper is to provide a simple criterion enabling to conclude that two agents do not share a common prior. The criterion is simple, as it does not require information about the agents' knowledge and beliefs, but rather only the record of a dialogue between the agents. In...

The principal focus in the substantial literature on impediments to economic development has been on the inadequacies of policies and governance. However, successful economic development requires effectiveness of markets and incentives for investment, which in turn require trust. This paper...