We study an overlapping generations model of human capital accumulation with threshold effects using regional data for West Germany. Our basic goal is to shed light on what makes German regions grow. The paper finds that the relative income distribution appears to be stratifying into a trimodal...

This paper revisits demographic dividend issues after almost 2 decades of debate. In 1998, David Bloom and I used a convergence model to estimate the impact of demographic-transition-driven age structure effects and calculated what the literature has come to call the “demographic dividend.”...

Two of the main forces driving European emigration in the late nineteenth century were real wage gaps between sending and receiving regions and demographic booms in the low-wage sending regions (directly augmenting the supply of potential movers as well as indirectly making already-measured...

Two of the main forces driving European emigration in the late nineteenth century were real wage gaps between sending and receiving regions and demographic booms in the low-wage sending regions (directly augmenting the supply of potential movers as well as indirectly making already-measured...

In the first global century before 1914, trade and especially migration had profound effects on both low-wage, labor abundant Europe and the high-wage, labor scarce New World. Those global forces contributed to a reduction in unskilled labor scarcity in the New World and to a rise in unskilled...

In the first global century before 1914, trade and especially migration had profound effects on both low-wage, labor abundant Europe and the high-wage, labor scarce New World. Those global forces contributed to a reduction in unskilled labor scarcity in the New World and to a rise in unskilled...