"span of information." It is shown that a larger span of information can be detrimental to the stable coexistence of … cooperation and defection, and that in well-defined circumstances, a large span of information leads to an end of cooperation … of less information, the social outcome is better than when optimization is based on an assessment of, and a …

combine the changing opportunities - changing incentive structure idea with an assumption concerning the information … is higher than per capita output in a country that is immune to migration. -- human capital ; asymmetric information …