8COPELAND B R,TAYLOR M S.Trade and the environment:theory and evidence[M].New Jersey:Princeton University Press,2005:308-322.
9COPELAND B R,TAYLOR M S.Free trade and global warming:a trade theory view of the Kyoto Protocol[J].J Environmental Economics and Management,2005,49 (2):205-234.
10COPELAND B R,TAYLOR M S.Trade,growth,and the environment[J].J Economic Literature,2004,42(1):7-71.