Over the last few decades, countries have experienced quite different patterns of productivity growth. In this paper, we emphasize the role of country level demographics in explaining these differences. In particular, looking over the period 1960-2002, we show that cross-country data support the...

Most macroeconomic models, both fully structural models as well as SVAR models, view economic outcomes as the product of a combination of endogenous and exogenous dynamic forces. In particular, the exogenous forces are generally modeled as a set of linearly independent dynamics processes. In...

This papers examines changes in the distribution of per-worker-output across countries over the period 1960-98, with a particular focus on identifying the forces behind the hollowing out of the middle of the distribution and the associated emergence of a twin-peaks phenomenon. The main finding...