不同环境规制政策对中国规模以上工业企业技术创新的影响
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熊航, 静峥, 展进涛
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Impact of different environmental regulatory tools on technological innovation of Chinese industrial enterprises above designated size
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XIONG Hang, JING Zheng, ZHAN Jintao
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表5 对碳交易市场的DID回归结果
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Table 5 Difference in differences (DID) regression results for carbon trading market
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| (1) | (2) | (3) | | rdin | rdout | rd | | ctrade | 0.222 | 0.092** | 0.315* | | (0.160) | (0.030) | (0.076) | | mlkz | 0.468 | -0.107 | 0.361 | | (0.160) | (0.228) | (0.332) | | ins | 0.060*** | 0.005*** | 0.066*** | | (0.000) | (0.000) | (0.000) | | acindust | -6.183** | -0.382 | -6.565** | | (0.016) | (0.572) | (0.022) | | perGDP | -2.026*** | -0.187 | -2.213*** | | (0.003) | (0.300) | (0.004) | | perGDP2 | 0.124** | 0.013 | 0.137** | | (0.013) | (0.319) | (0.014) | | fdi | -0.070 | -0.064** | -0.134 | | (0.542) | (0.040) | (0.299) | | dummy2014 | -0.184* | -0.036 | -0.220* | | (0.092) | (0.212) | (0.072) | | dummy2015 | -0.517*** | -0.066 | -0.583*** | | (0.002) | (0.131) | (0.002) | | dummy2016 | -0.654*** | -0.080 | -0.734*** | | (0.002) | (0.147) | (0.002) | | dummy2017 | -0.317 | -0.039 | -0.356 | | (0.172) | (0.529) | (0.171) | | 常数项 | 5.908*** | 0.434 | 6.342*** | | (0.000) | (0.311) | (0.001) | | N | 150 | 150 | 150 |
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