Differences in worker skill cause modest differences in wages within a country, but are associated with massive differences in productivity across countries (Hanushek and Kimko, 2000). I build upon Kremer’s (1993) O-ring theory of production to explain this stylized fact. I posit that there...

National measures of cognitive skill, including IQ tests, have received attention recently as a possible driver of cross-country productivity differences. In a parallel literature, national measures of entrepreneurial activity and pro-entrepreneurship policies have received similar attention....

Is human capital a robust predictor of good institutions? Using a new institutional quality measure, the International Property Rights Index (IPRI), we find that cognitive skill measures are significant, robust, and large in magnitude. We use two databases of cognitive skills: estimates of...

Is human capital a robust predictor of good institutions? Using a new institutional quality measure, the International Property Rights Index (IPRI), we find that cognitive skill measures are significant, robust, and large in magnitude. We use two databases of cognitive skills: estimates of...

Why do banks collapse? Are financial systems more fragile in recent decades? Can policies to fix the banking system do more harm than good? What's the history of banking crises? With dozens of brief, non-technical articles by economists and other researchers, Banking Crises offers answers from...