“…Sizable studies (Dudek and Palmisano, 1987;Spofford et al, 1996;Yang and Yu, 1996;Ellerman et al, 1997;Wang et al, 2002;Wu, 2005;Zhang et al, 2005;Zhu et al, 2006) have already devoted considerable attention to this process of learning. The conclusions from some of these studies are insightful and would be useful in designing emissions trading schemes in China's power industry.…”