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...

The paper aims at explaining empirically the diffusion of E-commerce based on two largescale sample surveys conducted in the Swiss economy. The paper adds to previous work in two ways: firstly, we estimate separate models for E-selling and E-purchasing, and, secondly, we distinguish between...

The paper investigates empirically the decision of firms to adopt Information and Communication Technologies (ICT) based on a comprehensive specification of a "rank model" of technology adoption (complemented by "epidemic effects") using firm-level data for the Swiss business sector. The...