Table 12 Robustness test results I.
From: Does China’s innovation-driven policy affect enterprises’ import performance of intermediate goods?
(1) PSM-DID | (2) PSM-DID | (3) PSM-DID | (4) Winsorize treatment | (5) Winsorize treatment | (6) Winsorize treatment | |
|---|---|---|---|---|---|---|
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 |
\({T}_{{it}}\) | 0.1702*** (0.0160) | 0.0231*** (0.0061) | 0.4128*** (0.0408) | 0.5021*** (0.0141) | 0.0271*** (0.0051) | 0.3501*** (0.0306) |
Control variable | Yes | Yes | Yes | Yes | Yes | Yes |
Firm fixed effect | Yes | Yes | Yes | Yes | Yes | Yes |
Year fixed effect | Yes | Yes | Yes | Yes | Yes | Yes |
N | 70,462 | 58,040 | 70,029 | 70,462 | 58,040 | 70,029 |
R2 | 0.1630 | 0.0100 | 0.1630 | 0.1540 | 0.0090 | 0.1600 |
