Game theory is usually difficult to test precisely in the field because predictions typically depend sensitively on features that are not controlled or observed. We conduct one such test using field data from the Swedish lowest unique positive integer (LUPI) game. In the LUPI game, players pick...

Game theory is usually difficult to test precisely in the field because predictions typically depend sensitively on features that are not controlled or observed. We conduct one such test using field data from the Swedish lowest unique positive integer (LUPI) game. In the LUPI game, players pick...

Game theory is usually difficult to test in the field because predictions typically depend sensitively on features that are not controlled or observed. We conduct one such test using both laboratory and field data from the Swedish lowest unique positive integer (LUPI) game. In this game, players...