Using global data we examine the dynamics of migration from developing to developed countries. 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. One powerful dynamic...

Of the 27 major armed conflicts that occurred in 1999, all but two took place within national boundaries. As an impediment to development, internal rebellion especially hurts the world's poorest countries. What motivates civil wars? Greed or grievance? This paper compares two contrasting...

A key distinction among theories of civil war is between those that are built upon motivation and those that are built upon feasibility. We analyze a comprehensive global sample of civil wars for the period 1965-2004 and subject the results to a range of robustness tests. The data constitute a...

Civil war is the most prevalent form of large-scale violence and is massively destructive to life, society, and the economy. The prevention of civil war is therefore a key priority for international attention. We present an empirical analysis of what makes countries prone to civil war. Using a...

The holding of elections has become universal but only about half of all elections have been free and fair. Electoral malpractice not only distorts the quality of representation but has implications for political, social and economic outcomes. Existing datasets either provide broad information...

Post-conflict societies face two distinctive challenges: economic recovery and risk reduction. Aid and policy reforms have been found to be highly effective in the economic recovery. In this paper we concentrate on the other challenge, risk reduction. The post-conflict peace is typically...

Thanks to anti-retroviral therapies, people living with HIV in developing countries can now have a near-normal life at a cost of a few hundred dollars per year. We postulate that given this newly low cost of maintaining lives, there is a moral duty to rescue those who are infected. The core of...