变量 | (1) | (2) | (3) | (4) |
回归结果 | 直接效应 | 间接效应 | 总效应 | |
lnisu | 0.299 | 0.268 | 0.351** | 0.619** |
(0.240) | (0.258) | (0.299) | (0.301) | |
lngdp | 0.0822 | 0.0817 | −0.0811 | 0.000622 |
(0.0744) | (0.0659) | (0.0631) | (0.0869) | |
lnei | 1.010*** | 1.004*** | 0.0773* | 1.082*** |
(0.0339) | (0.0386) | (0.0420) | (0.0444) | |
lnopen | 0.0166 | 0.0204 | −0.0249* | −0.00450 |
(0.0135) | (0.0141) | (0.0134) | (0.0217) | |
lnurban | −0.243 | −0.279 | 0.0607 | −0.218 |
(0.166) | (0.176) | (0.174) | (0.310) | |
lntech | 0.0174 | 0.0218 | −0.0148 | 0.00708 |
(0.0385) | (0.0367) | (0.0486) | (0.0714) | |
W × lnisu | 0.375** (0.306) |
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W × lnei | 0.211** (0.107) |
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W × lnopen | −0.0228* (0.0132) |
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sigma2_e | 0.00183*** (0.000316) |
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R2 | 86.3% |
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