The fragmentation of the European air navigation system has been identified as a cause of inefficiencies and additional costs. One of the problems is that since the different national systems are not independent of their neighbours, there might be issues of spatial autocorrelation, where the...

This article looks at factors which have affected the shares of public and private money that have been going into public--private transportation partnership investments in the US. It looks at a number of recent partnerships and relates the importance of the private sector to sets of...

This article examines the argument that the introduction of more private sector expertise into public sector transportation demand forecasting will improve its accuracy. An examination of a number of pure public and public--private US highway investment traffic demand forecasts, however, finds...

This article examines the economic impacts on the United States east coast regions of the EU--US Open Skies Agreement that liberalized air service over the North Atlantic. It considers the link between air travel volumes before and after the Agreement and the economies of the main metropolitan...