The internationalisation of research and development (R\&D) is continuously increasing and will also take on steadily growing importance in the future. Firms are very mobile when deciding upon their R\&D locations and choose locations where they can profit from local knowledge. In the light of...

Broadband internet is widely considered an important determinant of economic growth that has a positive effect on various economic variables. This paper addresses the question whether differences in the availability of broadband internet between German municipalities can explain differences in...

We estimate the effect of broadband infrastructure, which enables high-speed internet, on economic growth in the panel of OECD countries in 1996-2007. Our instrumental variable model derives its non-linear first stage from a logistic diffusion model where pre-existing voice telephony and cable...

This paper addresses the question of how the competitive situation in the downstream market, the services, and the innovative activity in the upstream market, the network infrastructure, interact. The focus is on the vertical structure of the telecommunication market, which is analysed in the...

Im Bereich der IKT-Infrastruktur wurde der Ausbau des Telekommunikationsnetzes in den siebziger und achtziger Jahren in den meisten OECD-Staaten durch die öffentliche Hand vollzogen. Demgegenüber vollzieht sich der derzeitige Umbau des alten Telekommunikationsnetzes zu einem modernen digitalen...

Moderne Kommunikationsnetze tragen zur Verbreitung von Wissen und Information bei und sind daher für die wirtschaftliche Entwicklung von Industrienationen wie Deutschland von zentraler Bedeutung. Insbesondere stellt der Umbau der Netzarchitektur vom traditionellen vermittelten Sprachtelefonnetz...

This study was prepared by Nina Czernich while she was working with the Ifo Institute for Economic Research.It was completed in December 2010 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. The study addresses the question whether the emergence of...