Air transport delays have increased during the past decade both in Europe and US. The main reasons have been continuously growing air transport demand, constrained capacity of the system infrastructure, and disruption of services caused by bad weather, failures of the infrastructure components,...

Technical industrial clusters are defined and analyzed for a sample of U.S. metropolitan regions. Economic structure, spatial proximity and shape of the clusters are examined across the metropolitan regions through various economic and spatial measures and statistics. The data for this research...

Improvements in telecommunications and transportation appear to be bringing the world closer making physical location less of a factor in determining interaction between nations. The formation of regional and global trading pacts and arrangements seem to be further contribution to this...

This paper analyzes the role of knowledge accessibility in re¬gional economic growth. The research question is the following: can the variation in knowledge accessibility between regions in a given period explain the variation in their growth performance in subsequent periods? As knowledge...

The tendency of information and communication technology (ICT) industries to cluster spatially is well documented in the international literature. Sweden has been characterised of a rapid growth of most ICT industries during the 1990s. In this paper we examine the spatial clustering of ICT...

At the same time as we can observe strong tendencies of a globalisation of R&D, we also can observe a strong spatial clustering of R&D and related innovative activities. The standard explanation in the literature of the clustering of innovative activities is that such clusters offer external...

The south-western part of the county of Jonkoping in Sweden has an industrial structure that is very different from that in the rest of Sweden. The region which may be characterised as an ?industrial district?, is dominated by small and medium-sized enterprises. It is well-known for its...

The link between proximity and innovation has been dwelled upon extensively in the literature. A regional economic milieu characterized by proximity between relevant actors is maintained to be suitable for establishing and maintaining successful regional innovation system. In this paper it is...