Variables | Central SOEs | Local SOEs | ||
(1) Layer > 3 | (2) Layer ≤ 3 | (3) Layer > 2 | (4) Layer ≤ 2 | |
RD | RD | RD | RD | |
Layer | −0.00586*** | −0.000948 | −0.00473*** | 0.00120 |
| (−2.621) | (−0.509) | (−2.957) | (0.204) |
Size | −0.00194 | −0.000892 | −0.000699 | −0.00193 |
| (−0.721) | (−0.848) | (−0.631) | (−1.215) |
Lev | −0.0470*** | −0.00818 | −6.27e−05 | −0.0312*** |
| (−3.603) | (−1.371) | (−0.00883) | (−3.461) |
Growth | 0.00234 | −0.000897 | 0.00444*** | −0.000615 |
| (1.178) | (−1.048) | (4.944) | (−0.475) |
Cash | −0.0119 | −0.0317* | −0.0479** | 0.0202 |
| (−0.285) | (−1.893) | (−2.596) | (0.832) |
Top1 | −0.000184 | −0.000230*** | −3.45e−05 | −3.31e−05 |
| (−1.132) | (−2.790) | (−0.428) | (−0.287) |
Year | controlled | controlled | controlled | controlled |
Industry | controlled | controlled | controlled | controlled |
Constant | 0.0515 | 0.0270 | 0.00850 | 0.0610 |
| (0.729) | (1.133) | (0.328) | (1.646) |
Observations | 226 | 541 | 265 | 423 |
R-squared | 0.225 | 0.174 | 0.298 | 0.112 |