Recent advances in the scientific understanding of urban traffic congestion have only strengthened the already solid case for congestion charges as an element of a successful urban transport policy. But examples of real-world congestion charging systems remain few and far between. What can be...

This study examines the nature and the extent of use of customs fees and charges that affect imports at borders. It is part of a series of studies that analyse various types of non-tariff measures and the objective of this paper is to contribute to discussions in the Negotiating Group on Market...