Wealth inequalities both within and between nations has reached an extreme point and is continuing to increase (Collier P. The bottom billion: why the poorest countries are failing and what can be done about it. Oxford University Press, New York, 2007; Henneberg S, The wealth gaps. Farmington Hills:...

Theoretical models of growth reveal that either exogenous or endogenous, technology is the main driving force behind the long-run economic growth. Furthermore, in the endogenous growth framework, diffusion of technology is the basic mechanism of per capita income convergence among countries....

Some economists have argued that the process of disintegration of world economy between the two World Wars has led to increased income divergence between the countries. This is in keeping with the view that economic integration leads to income convergence, and consequently that income divergence...

The debate on trade and growth increasingly focuses on the composition of exports. Exports of more "sophisticated" products appear to be positively correlated with growth, and upgrading the quality of exports is high on the policy agenda of many countries. This study presents evidence suggesting...