4Fare R. , S. Grosskops, Shawna and Weber, William L. Shadow Prices and Pollution Costs in USA Agricul- ture [ J ]. Ecological Economics, 2006, 56 ( 1 ) :89 - 103.
5Chambers R. , Chung Y. , Fare R. Benefit and Distance Function[J]. Journal of Economic Theory, 1996, 70(2) :407 -419.
6Chung Y. , Fare R. Grosskops S. Productivity and Undesirable Outputs: A Directional Distance FunctionApproach [ J ]. Journal of Environmental Management, 1997, 51 (3) :229 - 240.
7Porter M E. Towards a dynamic theory of strategy [ J]. Strategic management journal,1991 (12) : 95 - 117.
8Domazlicky B. R. , Weber W. L. Does Environmental Protection Lead to Slower Productivity Growth in the Chemical Industry [ J]. Environmental and Resource Economics,2004 ( 3 ) : 301 - 324.
9Watanabe, M., Tanaka K. Analysis of Chinese Industry: A Directional Distance Function Approach [ J]. Energy Policy,2007 (12) : 6323 -6331.
10Chambers, R. , Chung, Y. Benefit and Distance Functions [ J ]. Journal of Economic Theory, 1996 ((2) :407 - 419.