环境规制、政府补贴对企业技术创新的耦合影响
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袁丽静, 郑晓凡
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Coupling induction of environmental regulation and government subsidy on enterprise technological innovation
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Lijing YUAN, Xiaofan ZHENG
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| 表2 面板数据单位根检验结果 |
| Table 2 Panel data unit root test |
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| 变量 | LLC检验 | | 统计量 | P值 | | ln(Patent) | -10.611*** | 0.000 | | ER | -4.069*** | 0.000 | | -4.125*** | 0.000 | | ln(SUBS) | -5.780*** | 0.000 | | ln(ENT) | -11.694*** | 0.000 | | lnL | -11.686*** | 0.000 | | ln(Size) | -4.037*** | 0.000 | | lnGDP | -3.655*** | 0.000 | | OPEN | -3.360*** | 0.000 | | ln(SUBS)×ER | -3.312*** | 0.001 |
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