This cumulative dissertation consists of three essays. The first essays with the title ‘‘The Labor Market Effect of Opening the Border: Evidence from Switzerland’’ analyses the effect of opening the labor market for workers from the European Union in Switzerland after 1999. We exploit...

This paper analyses the determinants of employment reactions of firms when environmental innovations have been carried out. It differentiates hereby between employment increases and decreases. The data stem from a telephone survey covering more than 1500 firms in five European countries that...

The paper aims at a joint analysis of inter-firm and intra-firm diffusion of technology, taking as an example E-selling and E-purchasing. The analysis is based on an encompassing model of diffusion, drawn from the literature, which is extended by considering technology-specific obstacles and...