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...

Previous studies found the introduction of the today well established media radio and television to affect political participation. This paper evaluates the effect of the relatively recent introduction of a new medium, broadband internet. OLS resultssuggest a positive association between DSL...