“…To date, the issue of airport and airline competition has been addressed in a wide range of studies with a focus on airport choice or functional division in metropolitan areas with multiple airports (Pels et al, 2000(Pels et al, , 2003(Pels et al, , 2009Derudder et al, 2010;Lian and Rønnevik, 2011), commercialization and privatization of airports (Barrett, 2000), vertical cooperation between airports and airlines (Barbot, 2009), location of airline hubs (Schwieterman, 1988;Huston and Butler, 1991;Berechman and De Wit, 1996;Adler and Berechman, 2001), freight airlines airport choice (Zhang and 0966-6923/$ -see front matter Ó 2011 Elsevier Ltd. All rights reserved. doi:10.1016/j.jtrangeo.2011.11.003 Zhang, 2002;Zhang, 2003;Gardiner et al, 2005), structure of global airport hierarchies (Matsumoto, 2004(Matsumoto, , 2007Witlox, 2008, 2009;Grubesic et al, 2009) and development of low-cost carriers (Gillen and Lall, 2004;Zhang et al, 2008).…”