本地知识基础对新兴产业创新集群形成的影响——以中国燃料电池产业为例
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宓泽锋, 周灿, 尚勇敏, 马双, 曾刚
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The impact of local knowledge base on the formation of innovation clusters in emerging industries: The case study of China's fuel cell industry
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MI Zefeng, ZHOU Can, SHANG Yongmin, MA Shuang, ZENG Gang
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表5 本地知识基础对燃料电池产业创新集群影响的二步系统GMM回归结果
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Tab. 5 2-step system GMM regression results of the impact of local knowledge base on innovation cluster of fuel cell industry
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| 变量 | | | 模型1 | 模型2 | 模型3 | | L.l | 0.3631*** | 0.2350*** | 0.2926*** | | (0.0007) | (0.0005) | (0.0003) | | 0.0569*** | | | | (0.0001) | | | | | 0.0572*** | | | | (0.5120e-04) | | | | | 0.0712*** | | | | (0.0001) | | -0.0032*** | -0.0086*** | -0.0053*** | | (0.8410e-04) | (0.6100e-04) | (0.4500e-04) | | 0.0006*** | 0.0005*** | 0.0014*** | | (0.2720e-04) | (0.1200e-04) | (0.1860e-04) | | 0.0023*** | 0.0042*** | 0.0023*** | | (0.7000e-04) | (0.5740e-04) | (0.3520e-04) | | 0.0003*** | 0.0005*** | 0.0023*** | | (0.4120e-04) | (0.3970e-04) | (0.3300e-04) | | 常数项 | -0.0032*** | 0.0195*** | 0.0029*** | | (0.0001) | (0.0002) | (0.0001) | | 样本数 | 4365 | 4365 | 4365 | | 城市数量 | 291 | 291 | 291 |
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