Regulating the regulator: The impact of professional procuring bodies on local public transport policy and its effectiveness

Bekken, 2006, Norwegian Experiences with tendered bus services, European Transport, n33, 29 Boyne, 1998, Competitive tendering in local government: a review of theory and evidence, Public Administration, 76, 695, 10.1111/1467-9299.00132 Downs, 1967 Longva, 2008 Niskanen, 1971 Osland, 2008 O'(tm)Sullivan, P.J., Patel, T. (2004). "Fragmentation in transport operations and the case for system integrity". In Transport Policy 11 (3), 215–225. Selznick, 1957 Tranøy, 2001, En fragmentert stat? Van de Velde, 2004 Williamson, 1975 Williamson, 1985