We study duopolistic pricing by ports that are congestible and that share a downstream, congestible transport network with other users in their respective hinterlands. In the central set-up, local (country) governments care about local welfare only and decide on the capacity of the port and of...

The case for including agglomeration benefits within transport appraisal rests on an assumed causality between access to economic mass and productivity. Such causality is difficult to establish empirically because estimates may be subject to sources of bias from endogeneity and confounding. They...

The use of public private partnerships (PPPs) for investment in transport infrastructure has a long history, spreading rapidly in Latin America in the 1980s and in the 1990s in the UK. There are many forms of PPP, ranging from the project finance type (e.g. Design, Build, Finance, Maintain,...