共 13 条
[6]
非参数和半参数计量经济模型理论[M]. 科学出版社 , 叶阿忠, 2008
[8]
Threshold effects in non-dynamic panels: Estimation, testing, and inference[J] . Bruce E. Hansen.Journal of Econometrics . 1999 (2)
[10]
Aggregate convergence and sectoral specialization in innovation[J] . Daniele Archibugi,Mario Pianta.Journal of Evolutionary Economics . 1994 (1)