Human capital, productivity and physical capital are considered the main factors in the economies’ GDP per capita determination. According to the neoclassical approach, human capital accumulation explains about a third of the variation in per capita income across countries. However, there is...

Human capital seems to be an extremely important feature to be disregarded in the evaluation of this factor impacts on income per worker (rate of growth and level). This is the reason for the emergence of many recent studies which includes this variable in the empirical analyses as studies...