We survey and assess the literature on the positive and negative effects of ethnic diversity
on economic policies and outcomes. Our focus is on communities of different size and …

Recent research yields widely divergent estimates of the cross‐country relationship between
foreign aid receipts and economic growth. We re‐analyse data from the three most …

We find that genetic distance, a measure associated with the time elapsed since two
populations' last common ancestors, has a statistically and economically significant effect on …

Concern has intensified in recent years that many instrumental variables used in widely-
cited growth regressions may be invalid, weak, or both. Attempts to remedy this general …

William Easterly's superb book draws on what we have learned from almost two decades of
cross-country growth comparisons, providing a critical synthesis of the current state of …

Normally, economists take the size of countries as an exogenous variable. Nevertheless, the
borders of countries and their size change, partially in response to economic factors such as …

We review the most cited empirical analyses of the relationship between international trade
and economic growth and more recent empirical analyses of the link between trade and …

Levels of development vary widely within countries in the Americas. We argue that part of
this variation has its roots in the colonial era, when colonizers engaged in different economic …

This paper quantitatively analyzes the stability and breakup of nations. The tradeoff between
increasing returns in the provision of public goods and the costs of greater cultural …

Every country, every subnational government, and every district has a designated
population, and this has a bearing on politics in ways most citizens and policymakers are …