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...

The initial endogenous growth models emphasized the importance of externaI effects in explaining sustainable growth across time. Empirically, this hypothesis can be confirmed if the coefficient of physical capital per hour is unity in the aggregate production function. Although cross-section...