Table 9 Promoting green technology transfer.

From: Does the green patent pre-examination program reduce environmental pollution?

 

(1)

(2)

(3)

 

Grant_WIPO_zr

Grant_energy_zr

Grant_product_zr

DID

0.3724* (5.2426)

0.2263*** (3.5907)

0.2585*** (3.9116)

Constant

−2.1285 (−1.4946)

−5.4727*** (−3.6451)

−1.4973 (−1.0177)

Observations

2550

2550

2540

R-squared

0.8875

0.9074

0.8914

Controls

Yes

Yes

Yes

City FE

Yes

Yes

Yes

Year FE

Yes

Yes

Yes

  1. The t-statistics are reported in parentheses based on standard errors. *, **, and * indicate significant at the 1%, 5%, and 10% levels, respectively.
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