This paper presents a model where human capital differences - rather than technology differences - can explain several central phenomena in the world economy. The results follow from the educational choices of workers, who decide not just how long to train, but also how broadly. A "knowledge...

This paper presents a new framework for human capital measurement. The generalized framework can (i) substantially amplify the role of human capital in accounting for cross-country income differences and (ii) reconcile the existing conflict between regression and accounting evidence in assessing...

Über Jahrtausende hinweg entsprach der Lebensstandard fast aller Menschen weltweit mehr oder weniger dem Existenzminimum, bis er Ende des 18. Jahrhunderts drastisch anstieg. Viele Nationen genießen heute beispiellosen Wohlstand, andere haben den Sprung aus der wirtschaftlichen Stagnation noch...