6E. Bailey, and J. C. Panzar,The Contestability of Airline Markets During the Transition to Deregulation. Law and Contemporary Problems,44,1981,pp. 125-145.
7E. H. Kim, and V. Singal, Mergers and Market Power, Evidence from the Airline Industry. The American Economic Review,83,1993 ,pp. 549-569.
8K. N. Charles , and P. Seabright,Competion, privatisation and Productive Efficiency: Evidence from Airline Industry. The Economic Journal,111,2001,pp. 591-619.
9A. E. Kahn, The Economics of Regulation : Principles and Institutions. Cambridge, Mass: MIT Press, 1988.