Greed and Grievance in Civil War. by Collier, P, Hoeffler, A

“…Rebellion may be explained by atypically severe grievances, such as high inequality, a lack of political rights, or ethnic and religious divisions in society. …”

Migration, diasporas and culture: an empirical investigation by Collier, P, Hoeffler, A

“…Origin and destination countries are characterized by substantial differences in incomes, political rights and cultures. Incentives as well as costs shape the decision to migrate. …”

Ethnicity, Politics and Economic Performance. by Collier, P

“…Diversity is highly damaging to growth in the context of limited political rights, but is not damaging in democracies. The second is for World Bank projects in 89 countries. …”

Democracy and Resource Rents. by Collier, P, Hoeffler, A

“…During the resource boom of the 1970s, the average resource-rich country scored only 0.96 on the Polity IV scale of political rights (the scale ranges 0-10). By the mid-1990s the score had risen to 3.47.1 American policy following the intervention in Iraq is explicitly to democratize the Middle East, the world's most important resource-rich region. …”