Table 3 Influence of the B&R policy on the GD level of construction enterprises—DID.
Variable | (1) | (2) | (3) | (4) | (5) | (6) |
---|---|---|---|---|---|---|
TREATED | −1.21858*** (−2.72) | −1.27929*** (−2.80) | −1.83662*** (−3.75) | −1.44010*** (−2.78) | −1.45242*** (−2.76) | −1.40504*** (−2.63) |
TIME | 0.32276*** (3.97) | 0.207998* (1.89) | 0.21765** (2.02) | 0.256355** (2.40) | 0.257908** (2.42) | 0.262988** (2.48) |
TREATED × TIME | −0.345619*** (−3.32) | −0.324080*** (−3.10) | −0.415850*** (−3.93) | −0.463279*** (−4.42) | −0.439914*** (−4.18) | −0.445729*** (−4.25) |
Cgdp | 0.733341 (1.54) | 2.90335*** (3.73) | 4.63256*** (4.98) | 4.72153*** (5.08) | 4.44386*** (4.66) | |
R&D | −1.17095*** (−3.47) | −1.59397*** (−4.45) | −1.5921*** (−4.45) | −1.68158*** (−4.64) | ||
UC | 1.91731*** (3.23) | 1.811109*** (3.01) | 2.02155*** (3.27) | |||
Sti | 0.123214 (1.75) | 0.117180* (1.67) | ||||
LP | 0.569588 (1.41) | |||||
_cons | 1.80164*** (5.16) | 1.25605** (2.51) | −0.010755 (−0.02) | −5.25282*** (−3.04) | −5.16875*** (−2.98) | −5.62108*** (−3.19) |
N | 307 | 307 | 307 | 307 | 307 | 307 |
R² | 0.2592 | 0.2388 | 0.2356 | 0.1629 | 0.1597 | 0.1698 |