6WBCSD. Measuring Eco-efficiency: A Guide to Reporting Company Performance [ R ]. World Business Council for Sustainable Development, Geneva, 2000.
7Camarero M, Picazo-Tadeo A J, Tamarit C. Are the Determinants of CO2 Emissions Converging among OECD Countries? [ J ]. Economic Letter, 2013, 118:159 - 162.
8Jobert T, Karanfil F, Tykhonenko A. Convergence of Per CapitaCarbon Dioxide Emissions in the EU: Legend or Reality?[ J]. Energy Economics, 2010, (32) : 1364 - 1373.
9Westerlund J, Basher S. Testing for Convergence in Carbon Dioxide Emissions Using a Century of Panel Data [ J ]. Environmental and Resource Economy, 2008, (40) : 109 - 120.
10Nourry M. Re-Examining the Empirical Evidence for Stochastic Convergence of Two Air Pollutants with a Pair-Wise Approach [J]. Environmental & Resource Economics, 2009, 44(4) : 555 -570.
