区位、企业规模、股权结构和成本效率：基于我国19家高速公路上市企业的实证研究
庞瑞芝; 刘秉镰;王婷
Location, Firm Scale, Stock Right Structure and Cost Efficiency: Empirical Study on 19 Listed Highway Companies
PANG Rui-zhi;LIU Bing-lian;WANG Ting
. 2008, (10): 0 -0 .