Estimates of the effect of education on GDP (the social return) have been hard to reconcile with micro evidence on the private return to schooling. We present a simple explanation combining two ideas: imperfect substitution and endogenous skill-biased technological progress and use cross-country...

This paper deals with the influence of cultural attitudes towards uncertainty on the level of businessownership across countries. First, the concepts of uncertainty and risk are elaborated, as well as theirrelevance for entrepreneurship. Second, cross-sectional regression analysis using data for...

This paper develops a dynamic model consisting of two regions (North and South), in which the accumulation of human capital is negatively influenced by the global stock of pollution. By characterizing the equilibrium strategy of each region, we show that the regions' best responses can be...