This paper proposes a methodology to estimate externalities in human capital as a response to the evidence of a worldwide divergent development. We estimate supply and demand for human capital in a five-year panel for 60 countries in the period 1980-2000, and found that there are positive...

This paper provides an empirical analysis how tariff diversity aspects fixed-line broad-band uptake, utilizing a new data set with 1497 fixed-line and 2158 mobile broad-band tariffs from 91 countries across the globe. An instrumental variable approach is applied to estimate demand, controlling...