The electric power profession is the foundation which relates topeople's livelihood and is the important industry section of nationaleconomy. The electric power profession is supported by nationalindustry policy in our country for long time which belongs tomonopolization. After we join in the WTO, how electric power industryis a problem.This paper will study with our country electric power listedcompany, analyses the way of margin method carries on during the periodof developing, discuss our country electric power listed company'smargin behavior, finding out similarities and differences, and thensummarize the factors which influence the margin method by electricpower listed company through empirical research. |