Using the strategy method (Selten 1967) we elicit subjects' strategies for playing any 2-person 3x3-game with integer payoffs between 0 and 99.In each of 5 tournaments, every strategy pair plays 500000 games.The frequency of pure strategy equilibrium play increases from 51% in the first to 74%...

We report an experiment on two treatments of an ultimatum minigame.In one treatment, responders' reactions are hidden to proposers.We observe high rejection rates reflecting responders' intrinsic resistance to unfairness.In the second treatment, proposers are informed, allowing for dynamic...