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....

Railways transportation is still taken as an account of economic growth without considering the cost of environmental damages. Therefore, it is an urgent need at the national and global level to take into account the sustainability of environment by key sector. So this analysis has contributed...

This study investigates the effects of exports on income per capita using a panel data set of 150 countries from 1990 to 2012. We have found that exports have differing effects on income distribution depending on different phases of economic development. As exports (measured as the percent of...