3Grossman G M, Krneger, A. B. Environmental Impacts of a North American Free Trade Agreement, National Bureau of Economic Research [ J ]. Working Paper, 1991,3914.
4Dua A, Esty D C. Sustaining the Asia Pacific Miracle: Environmental Protection and Economic Integration [M ]. Washington DC: Institute for International Economic, 1997.
5Antweiler W, Copeland B R, Tayor M S. Is Free Trade Good for the Environment? [J]. American Economic Review, 2001,91 (4) : 877 -908.
6Cole M A. Trade, the Pollution Haven Hypothesis and theEnvironmental Kuznets Curve: Examining the Linkages [ J ]. Ecological Economics ,2004,48 ( 1 ) : 71 - 81.
7Managi S, Hibikic A, Tsurumi T. Does Trade Openness Improve Environmental Quality?[J]. Journal of Environment Economics and Management ,2009,58 ( 3 ) : 346 - 363.
8Tone. Dealing with Undesirable Outputs in DEA: a Slacks- Based Measure (SBM) Approach. Presentation at NAPW III,Toronto ,2004.
10Breitung J. The Local Power of Some Unit Root Tests for Panel Data, Advances in Econometrics//B. Balta- gi. Nonstationary Panels, Panel cointegration, and Dynamic Panels, Advances in Econometrics, JAI : Amsterdam, 2000 (15) :161 -178.
