dimensions of distance shaping R and D collaborations in Europe and the US during the time period 1999 to 2009. We take a … economic areas, namely Europe and the US, in order to examine differences in collaboration activities. In particular, we … results reveal how collaborative knowledge creation and the spatial range of knowledge diffusion differs between Europe and …

fragmentation and the spatial size of cities in a sample of 180 metropolitan areas in the contexts of the US and Europe in the … administrative fragmentation impacts positively on land uptake in both the United States and Europe, although to different extents. …

Europe contrast direct regulation on one side of the Atlantic with an incentivebased policy on the other. For example …