2Hodges, A. W., Hall, C. R., & Palma, M. A.. 2011 Economic Contributions of the Green Industry in the United States [ EB/OL ]. http ://www. fred. ifas. ufl. edu/economic - impact - analysis/pdf/US - green - industry - in - 2007. pdf, 2013 - 01 - 25/2013 - 01 - 25.
3Canadian Ornamental Horticulture Alliance. The impact of ornamental horticulture on Canada' s econo- my [ EB/OL]. http ://www. coha -acho. ca./pdf/Final% 20Report% 202009 - 04 - 27. en. pdf, 2009 - 04 - 27/ 2013 -01 -25.
4Economic Impact of Alabama' s Green Industry : Green Industry Growing [ EB/OL ]. http ://www. aaes. auburn, edu/comm/pubs/specialreports/sr - 7 - green - industry, pdf, 2013 - 02 - 01/2013 - 02 - 01.
5UNIDO. Green Industry : Policies for supporting Green Industry [ R ]. United Nations Industrial Develop- ment Organization, 2011.
6Palma M. A. & Hall C. R. Economic Contri- butions of the Green Industry to the Texas Economy [ EB/ OL]. http ://www. tnlaonline, org/uploaded_files/11_E- conomic_Impact of the Green_Industry in Texas. pdf, 2013 - 02 - 01/2013 - 02 - 01.
7Hillebrand, B., Buttermann, H. G., Behrin- ger, J. M. , & Bleuel, M. The expansion of renewable energies and employment effects in Germany [ J ]. Energy Policy, 2006, 34 ( 18 ) : 484 - 3494.
8Lehr, U., Nitsch, J., Kratzat, M., Lutz,C. , & Edler, D. Renewable energy and employment in Germany[J]. Energy Policy, 2008, 36( 1 ) : 108 - 117.
9Wei, M. & Patadia, S. Putting renewables and energy efficiency to work: How many jobs can the clean energy industry generate in the US [ J ]. Energy Policy, 2010, 38(2) : 919 -931.
10Lehr, U. & Lutz, C. Green jobs? Economic impacts of renewable energy in Germany[ J]. Energy Poli- cy, 2012, 47:358 -364.
