After more than forty years studying growth, there are two classes of growth models that have emerged: exogenous and endogenous growth models. Since both try to mimic the same set of long-run stylized facts, they are observationally equivalent in some respects. Our goals in this paper are...

Initial endogenous growth models emphasized the importance of external effects and increasing retums in explaining growth. Empirically, this hypothesis can be confumed if the coefficient of physical capital per hour is unity in the aggregate production function. Previous estimates using time...

This paper investigates the nature of income inequality across nations. Several exercises, such as variance decompositions, simulations and counter-factual analyses are performed. We find that, although total factor productivity has a leading role in explaining the dispersion of output per...