共 15 条
[6]
A study of the R&D efficiency and productivity of Chinese firms. Anming Zhang,Yimin Zhang,Ronald Zhao. Journal of Comparative Economics . 2003
[7]
Political connections,financing and firm performance:Evidence from Chinese private firms. Hongbin Li,Lingsheng Meng,Qian Wang,Li-An Zhou. Journal of Development Economics . 2008
[8]
Estimating the Value of Political Connections. Raymond Fisman. The American Economist . 2001