财经论丛（浙江财经学院学报）
財經論叢（浙江財經學院學報）
재경론총（절강재경학원학보）
Collected Essays on Finance and Economics
2015年
9期
105-112
,共8页
竞争活力%规模经济%有效竞争格局
競爭活力%規模經濟%有效競爭格跼
경쟁활력%규모경제%유효경쟁격국
competitive vitality%scale economy%effective competition pattern
本文采用ISCP分析框架对发电行业的竞争活力进行分析，发现电力体制改革后发电市场集中度大大降低，但发电行业仍处于高度管制状态，垄断现象依然存在，竞争活力不足；对31家发电上市企业的实证分析后发现，大型发电集团由于产能扩张呈现规模报酬递减趋势，多数发电企业是规模不经济的。
本文採用ISCP分析框架對髮電行業的競爭活力進行分析，髮現電力體製改革後髮電市場集中度大大降低，但髮電行業仍處于高度管製狀態，壟斷現象依然存在，競爭活力不足；對31傢髮電上市企業的實證分析後髮現，大型髮電集糰由于產能擴張呈現規模報酬遞減趨勢，多數髮電企業是規模不經濟的。
본문채용ISCP분석광가대발전행업적경쟁활력진행분석，발현전력체제개혁후발전시장집중도대대강저，단발전행업잉처우고도관제상태，롱단현상의연존재，경쟁활력불족；대31가발전상시기업적실증분석후발현，대형발전집단유우산능확장정현규모보수체감추세，다수발전기업시규모불경제적。
Effective competition in an industry is a combination of competitive vitality and scale economy.This paper u-ses ISCP framework to analyze the competition vality.The findings show that although the market concentration has been de-creased, power industry still maintains a high profit rate, that there still exists a high degree of monopoly in the power genera-tion industry, and the market is lack of vitality.Moreover, the analysis of the data of 31 quoted electric companies based on the DEA model finds that due to expansion, large power generation groups show a trend of decreasing scale of returns.At the same time, many low-efficiency local power enterprises are still in operation.Therefore, the majority of the power generation enterprises are diseconomies of scale.
