1. Antonelli, C., 1991. The Diffusion of Advanced Telecommunications in Developing Countries. Paris, OECD.
2. Market structure and multiproduct industries;Bailey;Journal of Economic Literature,1982
3. A framework for analyzing changes in strategic performance;Banker;Strategic Management Journal,1996
4. Banker, R.D., Johnston, H., 1993. An empirical study of cost drivers analysis in the U.S. airlines industry. Accounting Review, July, 576–601.
5. Becker, G.S., 1964. Human Capital. Columbia University Press, New York.