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....

Liberalization of foreign trade and investment raises the domestic ratio of skilled to unskilled wages (skill premium) if the country has a sufficiently well-educated workforce, but lowers it otherwise. Wide wage inequality is undesirable on equity grounds, especially in poor countries where the...