We investigate how urban concentration and urbanization affect economic growth in developing countries. Using semi-parametric estimation techniques on a cross-country panel of 39 countries for the years 1960-1990 we discover a U-shaped relationship for urban concentration. This suggests the...

While there have been some references in the literature to the potential role of the general decline in rainfall in sub-Saharan African nations on their poor growth performance relative to other developing countries, this avenue remains empirically unexplored. In this paper we use a new...

There have been many tests of the convergence hypothesis yielding many different estimates of β (the speed of convergence). Narrative reviews of the convergence literature hint at possible reasons for the study-to-study variation in the value of β, but such reviews are selective and informal....