economics. This paper explores voting on a scheme of intergroup competition which facilitates cooperation in a social dilemma … situation. Experimental results show that the competitive scheme fosters cooperation. Competition is popular but the electoral … outcome depends strongly on specific voting rules of institutional choice. If the majority decides, competition is almost …

’s constraints on issue linkage (cross-retaliation) welfare-enhancing? To facilitate international cooperation should governments … choices (e.g. to ‘conservative’ central bankers) are good or bad for international policy cooperation? …

for cooperation. As a counterfactual, we analyse worker behaviour when workers are paid piece rates and thus have no … exposure cooperate more. Shocks to the workforce in the form of new worker arrivals disrupt cooperation in the short term but …

Our results on the relationship between R&D spillovers and cooperation in R&D suggest that it is necessary to …

lead to a unique equilibrium path where external enforcement remains weak and individual values discourage cooperation. …

in these models. We propose a way to take these pay-offs into account, and find that cooperation as equilibrium of the … parameter space, all cooperation equilibria are strictly risk dominated in the sense of Harsanyi and Selten (1988). We derive an … others defect, and argue it is a better measure for the ‘likelihood’ of cooperation than the critical level at which …