变量名称 |
(1) rwar |
(2) nplr |
(3) lnz |
cepu |
−0.00787* |
−0.00214*** |
−0.13282*** |
(0.00426) |
(0.00026) |
(0.04878) |
|
N |
410 |
410 |
410 |
R2 |
0.4892 |
0.1543 |
0.2158 |
识别不足检验 |
118.05*** |
118.05*** |
118.05*** |
工具变量检验 |
468.56*** |
468.56*** |
468.56*** |