共 9 条
- [6] 中国市场化指数[M]. 经济科学出版社 , 樊纲, 2007
- [7] How to do Xtabond2: An Introduction to Difference and System GMM in Stata[J] . David Roodman.The Stata Journal . 2009 (1)
- [8] Threshold effects in non-dynamic panels: Estimation, testing, and inference[J] . Bruce E. Hansen.Journal of Econometrics . 1999 (2)
- [9] Determinants of patent rights: A cross-national study[J] . Juan C. Ginarte,Walter G. Park.Research Policy . 1997 (3)