In this paper, we investigate the implications of the philosophical considerations presented in Nozick’s Anarchy, State, and Utopia, by examining group formation in a laboratory setting where subjects engage in both cooperative and conflictual interactions. We endow participants with a...

Foreign aid's advocates claim aid has been successful. Aid's critics claim aid has failed. We explain why both camps are correct. Aid can, and in a few cases has, increased a particular output by devoting more resources to its production. In this sense, aid has occasionally had limited success....

Gustav Ranis addresses our recent article in this journal where we argued that foreign aid is unable to solve the economic problem and thus unable to make poor countries rich (Skarbek and Leeson 2009). The following quotations from his article summarize his main objections to our argument:...

Why does prison social order vary around the world? While many of the basic characteristics of prisons are similar globally, the extent and form of informal inmate organization varies substantially. This paper develops a governance theory of prison social order. Inmates create extralegal...