In the fast-changing theatre of air transportation, the strategic development of airlines and the operating economics of scheduled airline services have been transformed, following the profound impact of US deregulation. The lessons gleaned from the US experience, including effective ways of constraining rivals, have quickly been adopted by carriers facing the opening up to competition of their own local markets. In addition, in response to the hunt by the successful US survivors for further international traffic, carriers have been forced to emulate certain tactics adopted by these...