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...

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...

The changing pattern of urban logistics with the growth in supply chain management and the increased adoption of e-commerce has implications for the location of warehousing and trucking facilities. Intuitively, as the supply chain becomes more sophisticated then more localized depots and...

?Small-world networks? have a high degree of local clustering or cliqueness, like a regular lattice and a relatively short average minimum path, like a completely random network. The huge appeal of ?small-world networks? lies in the impact they are said to have on dynamical systems. In a...

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,...