| 制造业 | 信息传输、软件和信息技术服务业 | 其它业 | ||
| 整个行业 | 互联网和相关服务业 | 软件和信息服务业 | ||
difi | 0.0163 | 0.0331 | 0.4044** | 0.0364* | 0.0149 |
| (1.28) | (1.63) | (2.84) | (1.68) | (0.88) |
lqd | −0.0008** | −0.0004 | −0.0076*** | −0.0001 | −0.0014* |
| (−2.51) | (−0.88) | (−4.06) | (−0.23) | (−1.92) |
pftg | 0.0010*** | 0.0007 | −0.0040 | 0.0008 | 0.0010 |
| (4.02) | (1.04) | (−0.66) | (0.94) | (1.25) |
eqt | 0.0281*** | 0.0258*** | 0.0154 | 0.0326*** | 0.0136* |
| (7.40) | (3.03) | (1.06) | (4.50) | (1.95) |
pftm | 1.0512*** | 1.1386*** | 1.4850*** | 1.0965*** | 1.1322*** |
| (34.92) | (25.86) | (21.65) | (28.31) | (17.19) |
_cons | −0.0393*** | −0.0493*** | −1.4917** | −0.0605*** | −0.0266 |
| (−4.58) | (−2.99) | (−2.82) | (−3.63) | (−1.56) |
year | Yes | Yes | Yes | Yes | Yes |
idv | Yes | Yes | Yes | Yes | Yes |
N | 2838 | 640 | 48 | 571 | 457 |
R2 | 0.7242 | 0.8261 | 0.8009 | 0.8422 | 0.7131 |