Fig. 4

Relationship between corruption and cooperation. The corruption game includes three groups: a control group with no exposure to the game, and groups with 5 and 25 % monitoring, respectively, where the percentages refer to the probability of getting caught. “All treatments” refers to pooling observations from the three treatments in the public good games (standard public good game, a game with centralized punishment by a leader without counter-punishment, and a game with centralized punishment by a leader with counter-punishment). Results as shown are the contribution as percentage of the 20 ECU endowment. Error bars refer to 95 % confidence intervals. There are five rounds for each individual