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....

Since the mid-twentieth century, the Portuguese economy converged vis-à-vis with the EU average, due to backwardness advantages. At the same time, the dynamic effects of Foreign Direct Investment allowed for a structural shift in exports towards technology-intensive activities. However, in the...