predictions. Cooperation with E-mail communication is a function of the number of self-identified cooperators and as predicted …

reducing inequality. Educated workers in these countries have a much lower birth rate than uneducated workers. Assuming … incorporating this effect generates multiple stedy-state levels of inequality, suggesting that in some circumstances, temporarily … increasing access to educational opportunities could permanently reduce inequality. Empirical evidence suggests that the …

standard and international trade. The estimation results allow us to formulate some interesting policy conclusions. …