The analysis of what human capital (HC) is has a long history and culminates in the acknowledgment that HC and its growth are very important for both cognitive education (cognitive skills (CSs)) and personal life (noncognitive skills (NCSs)) and that CSs and NCSs have a strong reciprocal...

The classical approach to the effects of territorial context in defining costs of distibution in network services (as the distribution of electric energy), often makes confusion between scale and density economies The consequence is a wrong definition of some variables and a misleading...