A number of studies have tested whether, globally, per capita incomes are converging over time. To date, the majority of studies find no evidence of absolute convergence, but many find evidence of conditional convergence, i.e. convergence having controlled for differences in technological and...

The authors address the question of state militarization under conditions of ethnic and other diversity. "Primordialist" claims about ancient hatreds, fear, and insecurity in such societies would lead one to expect that fractionalization, polarization, and ethno-nationalist exclusion would...