Duersch, Peter; Oechssler, Joerg; Schipper, Burkhard C. - 2012
We show that for many classes of symmetric two-player games, the simple decision rule 'imitate-if-better' can hardly be … game or a quasiconcave game. Our results apply to many interesting examples of symmetric games including 2 x 2 games …, Cournot duopoly, price competition, public goods games, common pool resource games, and minimum effort coordination games. …