Anne Graham is Reader in Air Transport and Tourism at the University of Westminster. Her research interests include airport management, economics and regulation, and the relationship between the tourism and aviation industries. Her recent books include Managing Airports (4th edition, 2014), Aviation Economics (ed. with Peter Morrell, 2015), Airport Marketing (with Nigel Halpern, 2013) and Aviation and Tourism (ed. with Andreas Papatheodorou and Peter Forsyth, 2008). Between 2013 and 2015 she was Editor-in-Chief of the Journal of Air Transport Management. Peter Morrell joined Cranfield’s Department of Air Transport in 1991 where, until his recent retirement, he held a chair in air transport economics and finance. He has been involved in airport projects around the world, including in Argentina, Mongolia, Hannover, Berlin, Luton and Barcelona. He also directed a number of major studies for the European Commission. His books include Aviation Economics (ed. with Anne Graham, 2015), Airline Finance (4th edition, 2014) and Moving Boxes by Air (2011). He has continuing links with Cranfield as a visiting professor and serves on the editorial boards of the Journal of Air Transport Management and Tourism Economics.