During the past decade or so empirical literature on comparative development of nations has turned to investigation of "deep" or determinants of productivity and capital intensity, such as institutions, trade, geography and human capital.  In this paper I revisit this debate and make three...

A longstanding research tradition assumes that endogenous technological development increases regional productivity. It has been assumed that measures of regional patenting activity or human capital are an adequate way to capture the endogenous creation of new ideas that result in productivity...

Human capital is observed to be an important contributor to growth but unevenly distributed geographically. While there is consensus on the importance of human capital to economic development, debate takes shape around two central issues. First, there is the question of how best to measure human...