Many major airports are hubs for network carriers at the same time as serving a large local market. The complementarity between these functions is often seen as a prerequisite for viable hub operations, suggesting that spreading the hub network over multiple airports can be very costly and...

This concluding paper discusses key aspects of the five research papers presented at this Roundtable in terms of their policy applications. It notes problems concerning how policy makers make use of economic analysis findings, and then summarizes the breadth of macro-, meso- and micro-economic...

This paper will focus on taxation issues addressing CO2 emissions in the European Union. When observing the different systems in place, a very broad diversity appears even with a cursory first glance. Actually, the diversity of taxation schemes among the Member States is such that it jeopardizes...

This paper focuses on classifying market access for long-distance passenger rail services in Europe into three main models and discusses the advantages and disadvantages of each of these models. The “Tendered Concessions” model aims to introduce competition for the market by which operators...