Among the rich economies of the world today, per capita output levels had typically diverged before converging to the per capita output level of the frontier economy. Since frontier economies have grown at stable rates, non-frontier economies display an S-shape aggregate transition path. Along...

Two salient changes in the US wage structure have occurred over the past three decades: first, a sharp increase in the wage premium to schooling despite a continual increase in the supply of schooling, and second, a rise and then fall of the wage premium to work experience. Capital-skill...