Table 13.

Mechanism mediation of AIDP on green innovation efficiency.

Variables	(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)	(13)	(14)
	GrdE	GrdE	GrdE	GrdE	GrdE	GrdE	GrdE	GopE	GopE	GopE	GopE	GopE	GopE	GopE
$\mathit{DID}$	0.061***	0.054***	0.050***	0.053***	0.049***	0.054***	0.053***	0.060***	0.053***	0.050***	0.051***	0.049***	0.053***	0.053***
	(0.003)	(0.003)	(0.003)	(0.005)	(0.004)	(0.003)	(0.003)	(0.003)	(0.003)	(0.003)	(0.005)	(0.004)	(0.003)	(0.003)
$\mathit{WW}$	−0.000							0.003
	(0.002)							(0.002)
$\mathit{\text{Revenue}}$		0.001							0.008
		(0.012)							(0.012)
$\mathit{\text{AISoftInvest}}$			0.001							0.002
			(0.002)							(0.002)
$\mathit{\text{AIHardInvest}}$				0.001*							0.001
				(0.001)							(0.001)
$\mathit{\text{CurrAssets}}$					0.000							0.002*
					(0.001)							(0.001)
$\mathit{\text{Cost}}$						0.000							0.008
						(0.013)							(0.013)
$\mathit{ESG}$							0.003**							0.002*
							(0.001)							(0.001)
Constant	0.258***	0.281***	0.309***	0.252***	0.280***	0.281***	0.284***	0.314***	0.346***	0.365***	0.363***	0.378***	0.346***	0.344***
	(0.021)	(0.021)	(0.025)	(0.036)	(0.034)	(0.021)	(0.020)	(0.021)	(0.021)	(0.025)	(0.036)	(0.034)	(0.021)	(0.020)
Observations	23,682	23,682	18,667	18,667	23,682	23,682	23,682	23,682	23,682	23,682	23,682	23,682	23,682	23,682
R-squared	0.369	0.359	0.353	0.353	0.346	0.359	0.359	0.375	0.361	0.357	0.356	0.342	0.361	0.361
Controls	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Firm FE	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Year FE	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Prov×Year FE	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Ind × Year FE	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes

Robust standard errors clustered at city level are reported in parentheses. ***p < 0.01, **p < 0.05, *p < 0.1.