We adopt an evolutionary approach to investigate whether and when conditional cooperation can explain the voluntary contribution phenomenon often observed in public goods experiments and real life. Formally, conditional cooperation is captured by a regret parameter describing how much an...

Conventions can be narrowly interpreted as coordinated ways of equilibrium play, i.e., a specific convention tells all players in a game with multiple strict equilibria which equilibrium to play. In our view, coordination often takes place before learning about the games. Thus, one has to...