低碳门槛下绿色创新补贴对全要素生产率的影响
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熊爱华, 丁友强, 胡玉凤
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Impact of low-carbon subsidies and green innovation on total factor productivity in view of the threshold effect of carbon emission reduction
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XIONG Aihua, DING Youqiang, HU Yufeng
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表3 绿色创新补贴对企业全要素生产率的门槛效应回归结果
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Table 3 Threshold effect regression of low-carbon subsidies and green innovation on enterprise total factor productivity (ETFP)
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| 变量 | 绿色技术创新 | | 绿色产品创新 | | 政府低碳补贴 | | (1)L.0 | (2)L.1 | (3)L.2 | (4)L.3 | (5)L.0 | (6)L.1 | (7)L.2 | (8)L.3 | (9)L.0 | (10)L.1 | (11)L.2 | (12)L.3 | 单一
门槛 | Th-1 | | 126.50 | 103.30 | 138.90 | | | 140.30 | 140.30 | 140.30 | | | 133.00 | 133.00 | 138.90 | | RSS | | 7.73*** | 6.97*** | 6.02*** | | 7.72*** | 6.92*** | 5.93*** | | 8.83*** | 8.02*** | 7.00*** | | lnGit×I(CET≤γ1) | -0.10***
(-18.66) | -0.11***
(-19.06) | -0.12***
(-18.79) | -0.12***
(-18.04) | | -0.15***
(-20.13) | -0.14***
(-18.93) | -0.15***
(-18.89) | -0.16***
(-18.67) | | 0.002***
(5.90) | 0.002***
(5.49) | 0.003***
(5.74) | 0.004***
(5.54) | lnGit×I
(γ1<CET≤γ2) | -0.09***
(-17.65) | | | | | | | | | | 0.00
(1.50) | | | | lnGit×I
(CET>γ2) | -0.10***
(-16.89) | -0.10***
(-18.27) | -0.11***
(-17.74) | -0.11***
(-17.09) | | -0.10***
(-17.46) | -0.10***
(-17.43) | -0.10***
(-17.19) | -0.11***
(-17.39) | | -0.001***
(-4.41) | -0.00
(-0.22) | 0.00
(1.19) | 0.00**
(2.40) | | 控制变量 | Y | Y | Y | Y | | Y | Y | Y | Y | | Y | Y | Y | Y | | F | 317.44 | 12.89 | 11.93 | 11.16 | | 358.04 | 13.01 | 12.10 | 11.44 | | 245.44 | 11.44 | 9.23 | 8.49 | | ΔR2 | 0.516 | 0.473 | 0.458 | 0.449 | | 0.517 | 0.475 | 0.462 | 0.457 | | 0.452 | 0.399 | 0.376 | 0.359 |
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