Certain messages, even when not directly payoff relevant, can be a credible form of communication in light of natural social preferences. Social image concerns and other-regarding preferences interact to create incentives to communicate about how one feels about other people. Recognizing the...

How do interacting decision-makers make strategic choices? If they're rational and can somehow predict each other's behavior, they may find themselves in a Nash equilibrium. However, humans display pervasive and systematic departures from rationality. They oft􀀵en do not conform to the...