“…Reputation (e.g., [9]), trust (e.g., [10]), pre-play communication (cheap talk) (e.g., [11]), or mutual monitoring (e.g., [12]) are such effective countermeasures, improving cooperation levels in the lab and in the field. Similarly, the availability of sanctions via peer-punishment (e.g., [3,[13][14][15]) or as a centralized system (e.g., [16][17][18]) can lead to improvements in cooperation, resulting in higher provision of public goods.…”