It is known that no public goods mechanism can be Pareto efficient in Nash equilibrium, individually rational (IR), simple (using a one-dimensional message space), and dynamically stable. The Walker mechanism satisfies all but stability, while the Groves-Ledyard mechanism satisfies all but IR....

We design a laboratory experiment to identify whether a preference for randomization defines a stable type across different choice environments. In games and individual decisions, subjects face twenty simultaneous repetitions of the same choice. Subjects can randomize by making different choices...

We examine whether the "Level-k" model of strategic behavior generates reliable cross-game predictions within an individual. We find no correlation in subjects' estimated levels of reasoning across two families of games. Furthermore, estimating a higher level for Ann than Bob in one family of...