Mao WN and WW Koo (1997). “Productivity Growth, Technological Progress, and Efficiency Change in Chinese Agriculture after Rural Economic Reforms: A DEA Approach.” China Economic review 8(2): 157-174.
Mao WN and WW Koo (1997). “Productivity Growth, Technological Progress, and Efficiency Change in Chinese Agriculture after Rural Economic Reforms: A DEA Approach.” China Economic review 8(2): 157-174.