There are constraints on pricing congestible facilities. First, if heterogeneous users are observationally indistinguishable, then congestion charges must be anonymous. Second, the time variation of congestion charges may be constrained. Do these constraints undermine the feasibility of marginal...

The promotion of competition policies in air transport faces several obstacles, one being the absence of mobility of airports’ slots. The European Commission has been preparing legislation on this issue as a springboard to a more efficient use of scarce airport capacity. This paper...

The promotion of a competition policy in air transport faces several obstacles. One of them is the absence of mobility airports’ slots. The European Commission has been preparing legislation on this matter, with the prime objective of encouraging an effective mobility that leads to a more...