The paper analyzes the role of the structure of communication - i.e. who is talking with whom - on the choice of … analysis of credibility, the subjects should communicate and play the Pareto optimal equilibrium only when communication is … disregard communication. The experimental data conform to our predictions: the agents reach the Pareto-dominant equilibrium only …

effort and sabotage on a prize set by a principal) is extended to allow for coalitions. Using a sequential coalition … formation model with a coalition externality (larger coalitions make self-enforcing sabotage and synergy strategies more … effective), coalition members coordinate their sabotage-synergy activities. Our main result is a sufficient condition for the …

signals may also cause sunspot-driven behavior, even though this is no equilibrium. The higher the correlation of signals and …

-play communication: numerical (tabular) only, and verbal and numerical. We find that either kind of pre-play communication increases … trusting, trustworthiness, or both, in inter-subject comparisons, but that the inclusion of verbal communication generates both …

We report on an experiment using video technology to manipulate pre-play communication protocols in the lab and to … study purely social effects of communication on donations and discrimination between potential receivers. The experimental … the latter decides on her gifts. Through the use of three communication setups (none, audio, and audio-visual) we show and …

We here develop a model of pre-play communication that generalizes the cheap-talk approach by allowing players to have … is applied to finite and symmetric two-player games and we establish that honest communication and play of the Pareto …-enforcing. -- efficiency ; communication ; coordination ; honesty ; evolutionary stability …