TY - GEN KW - Imitate-the-best KW - learning KW - exact potential games KW - symmetric games KW - relative payoffs KW - zero-sum games ID - heidok13440 Y1 - 2012/// TI - Once Beaten, Never Again: Imitation in Two-Player Potential Games AV - public N2 - We show that in symmetric two-player exact potential games, the simple decision rule "imitate-if-better" cannot be beaten by any strategy in a repeated game by more than the maximal payoff difference of the one-period game. Our results apply to many interesting games including examples like 2x2 games, Cournot duopoly, price competition, public goods games, common pool resource games, and minimum effort coordination games. UR - https://archiv.ub.uni-heidelberg.de/volltextserver/13440/ A1 - Duersch, Peter A1 - Oechssler, Jörg A1 - Schipper, Burkhard C. ER -