One commonly held view about the difference between continental European countries and other OECD economies, especially the United States, is that the heavy regulation of Europe reduces its growth. Using newly assembled data on regulation in several sectors of many OECD countries, we provide...

We estimate the effect of political regime transitions on growth with semi-parametric methods, combining difference in differences with matching, that have not been used in macroeconomic settings. Our semi-parametric estimates suggest that previous parametric estimates may have seriously...

We explore the question of how political institutions and particularly democracy affect economic growth. Although empirical evidence of a positive effect of democracy on economic performance in the aggregate is weak, we provide evidence that democracy influences productivity growth in different...

Does democracy promote economic development? This paper reviews recent attempts to address this question that exploited within-country variation. It shows that the answer is largely positive, but also depends on the details of democratic reforms. First, the sequence of economic vs political...

We use recent immigration data from 195 countries and propose an index of population diversity based on people's birthplaces. This new index is then decomposed into a size (share of foreign born) and a variety (diversity of immigrants) component and is available for 1990 and 2000 disaggregated...