变量 |
|
Policy | 3.230*** (3.467) |
SA | −0.055 (−0.162) |
interact | −0.228** (−3.200) |
DAR | 0.238 (0.712) |
Size | 0.343 (1.076) |
Year | −0.023 (−0.529) |
R&DPR | 0.067 (0.440) |
_cons | −83.99 (−0.362) |
N | 45 |
r2_a | 0.165 |