Table 9 Heterogeneity test results of enterprise age.
From: Does China’s innovation-driven policy affect enterprises’ import performance of intermediate goods?
Variable | Import quantity of intermediate goods | Import variety of intermediate goods | Import quality of intermediate goods | Import quantity of intermediate goods | Import variety of intermediate goods | Import quality of intermediate goods | Import quantity of intermediate goods | Import variety of intermediate goods | Import quality of intermediate goods |
|---|---|---|---|---|---|---|---|---|---|
Start-up enterprises | Growing enterprises | Mature enterprises | |||||||
\({T}_{{it}}\) | 0.2131*** (0.0335) | 0.0529 (0.0281) | 0.2019 (0.0819) | 0.5431*** (0.0231) | 0.0308*** (0.0069) | 0.4812*** (0.0542) | 0.5671*** (0.0179) | 0.0057*** (0.0073) | 0.4172*** (0.0431) |
Control variable | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Firm fixed effect | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Year fixed effect | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
N | 14,493 | 7443 | 14,473 | 29,350 | 25,744 | 29,128 | 26,619 | 24,853 | 26,428 |
R2 | 0.1310 | 0.0130 | 0.1070 | 0.1270 | 0.0120 | 0.1220 | 0.1990 | 0.0130 | 0.1880 |
