Papers selected for this special issue were among those presented at the International Workshop the desired and undesired effects of Infrastructure and Transport Policy Reforms, held in the School of Economics and Business at the Universitat de Barcelona in November 2013. The workshop was jointly organized by the research unit Governments and Markets (Universitat de Barcelona) and the Cornell Program in Infrastructure Policy (Cornell University). The main topics discussed were ownership, financing and regulation, and public-private collaboration in transport policy. This special issue addresses those issues using case studies from various sectors including as airports and aviation, ports, and infrastructure overall.