We study the dynamics of usage intensity of second-generation cellular telephony over the diffusion curve. Specifically, we address two questions: First, can we draw conclusions about the underlying drivers of technology diffusion by studying usage intensity? Second, what is the effect of high...

Innovation is one of the drivers of national competitiveness and economic growth. Considering well-established information and communication technologies (ICT) infrastructure is essential for the national level of innovation, the ICT infrastructure such as mobile broadband has an impact on the...

This study is concerned with the econometric analysis of innovation activities in Germany. Using microeconometric models and an unique linked employer-employee dataset provided by the German Federal Employment Office, it presents new evidence on a variety of issues ranging from the determinants...