4Oak Ridge Data set ( http://cdiac. esd. ornl. gov/fp/ndp030/)
5Caves, D. W., Christensen, L. R., &Diewert, W. E., 1982a, "The Economic Theory of Index Numbers and the Measurement of Input, Output, and Productivity", Econometrica ,50, pp. 1393-1414.
6Caves, D. W., Chrlstensen, L. R., &Diewert, W. E., 1982b, "Multilateral Comparisons of Output, Input and Productivity Using Superlative Index Numbers", Economic Journal, 92, pp. 73-86.
7Chambers, R.G., R. Fare, S. Grosskopf, 1996, "Productivity Growth in APEC Countries", Pacific Economic Review, 1 (3), pp. 181 - 190.
8Chang,C. ,Luh,Y., 1999, “Efficiency Change and Growth in Productivity: The Asian Growth Experience”, Journal of Asian Economics, 10, pp. 551 -570.
9Chung, Y. H., R. Fare and S. Grosskopf, 1997, “Productivity and Undesirable Outputs: A Directional Distance Function Approach”, Journal of Environmental Management, 51, pp. 229-240.
10Coeni TJ, Prasada Rao DS, O'Donnen C J, Battese GE,2005, An Introduction to Efficiency and Productivity Analysis, 2nd edn, Springer, New York.
