We use laboratory experiments to test for one of the foundations of the rational voter paradigm - that voters respond to probabilities of being pivotal. We exploit a setup that entails stark theoretical effects of information concerning the preference distribution (as revealed through polls) on...

We study the evolution of cooperation in the indefinitely repeated prisoner's dilemma when it is costly for players to adjust their strategy. Our experimental interface allows subjects to design a comprehensive strategy that then selects actions for them in every period. We conduct lab...