Humanity's problem with climate change has been likened to a "tragedy of the commons". If the atmosphere is seen as an open access dump for gasses like CO2 or methane, Garret Hardin's conclusion from 1968: "Freedom in a commons brings ruin to all" is obviously correct. But how do we create a...

Experimental studies of social dilemmas have shown that while the existence of a sanctioning institution improves cooperation within groups, it also has a detrimental impact on group earnings in the short-run. Could the introduction of pre-play threats to punish have enough of a beneficial...

Group cooperation, which can make the maximization of benefits, will also be affected by some factors like institutional environment, group effect, and interest conflicts among members. This paper makes study on the intra-group interactions and cooperation of team members through the modified...

Social interactions predominantly take place under the shadow of the future. Previous literature explains cooperation in indefinitely repeated prisoner's dilemma as predominantly driven by self-interested strategic considerations. This paper provides a causal test of the importance of social...

Do experimental subjects have consistent first and higher-order beliefs about others? How does any inconsistency affect strategic decisions? We introduce a simple four-player sequential social dilemma where actions reveal first and higher-order beliefs. The unique sub-game perfect Nash...