Fragile states contributed 18 million migrants and 8 million refugees in 2000. More than 20% of these migrants and more than half of the refugees settle in other fragile states. Thus, migration is likely to be both a consequence and a possible cause of conflict and fragility. This paper asks why...

Countries emerging from civil war attract both aid and policy advice. This paper provides the first systematic empirical analysis of aid and policy reform in the post-conflict growth process. It is based on a comprehensive data set of large civil wars and covers 27 countries that were in their...

This paper highlights a problem in using the first-difference GMM panel data estimator cross-country growth regressions. When the time series are persistent, the first-differenced GMM estimator can be poorly behaved, since lagged levels of the series provide only weak instruments for subsequent...