【求助】英文论文3篇, 50论坛币

1、Kopp, R. J. (1981), ‘The Measurement of Productive Efficiency: A Reconsideration’，
资源：Quarterly Journal of Economics 96, 477–503.

2、Reinhard, S., C. A. K. Lovell and G. J. Thijssen (1999), ‘Econometric Estimation of Technical
and Environmental Efficiency: An Application to Dutch Dairy Farms’,
资源：American Journal of Agricultural Economics 81, 44–60

3、Kumbhakar, S. C., S. Ghosh and J. T. McGuckin (1991), ‘A Generalised Production Frontier
Approach for Estimating Determinants of Inefficiency in U.S. Dairy Farms’,
资源：Journal of Business and Economic Statistics 9, 279–286.

楼主先下一个看看是不是。

只找着一个