中国煤炭产业市场集中度的实证研究

被引:21
作者
陈小毅
周德群
机构
[1] 南京航空航天大学经济与管理学院
关键词
市场结构; 寡头竞争; 经济绩效; 效率; 能源安全;
D O I
暂无
中图分类号
F426.21 [];
学科分类号
摘要
通过对1979-2008年中国煤炭行业市场集中度的测算,得出2008年以后市场结构出现类似寡头竞争的特征。根据我国煤炭行业的特殊性,提出决定产业绩效的理论模型,包含产业集中度、供需基本面、安全研发投入等关键要素。实证结果表明:产业利润率与市场集中度显著正相关;公司利润率与市场份额正相关,而同研发投入负相关。运用CDW方法分析煤炭产业利润率与集中度的正向关系,结论是效率因素较市场势力更具解释力。
引用
收藏
页码:80 / 89
页数:10
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