Costless pre-play communication has been found to effectively facilitate coordination and enhance efficiency by increasing individual payoffs in games with Pareto-ranked equilibria. We report an experiment in which two groups compete in a weakest-link contest by expending costly efforts....

This paper reports an experiment that examines whether groups can make better decisions than individuals in contests. Our experiment replicates previous findings that individual players significantly overbid relative to theoretical predictions, incurring substantial losses. There is high...

This experimental study explores how communication influences efficiency, trust and trustworthiness in a small group when one member is left out of communication. To study this problem, we introduce a novel three-player trust game where player 1 can send any portion of his endowment to player 2....