多尺度知识溢出研究——以进出口互动效应为例
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刘君洋, 朱晟君
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Research on knowledge spillovers at different scales: Taking the interaction effect between import and export as an instance
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LIU Junyang, ZHU Shengjun
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表2 新进口对于新出口的影响作用
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Tab. 2 The effects of new varieties of imports on new varieties of exports
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| 自变量 | 因变量：NewEx_Firmjt | | 全部地区 | | 模型 (1) | 模型 (2) | 模型 (3) | 模型 (4) | 模型 (5) | | NewIm_Firmi(t-1) | 0.127***
(-0.001) | — | — | 0.123***
(-0.001) | 0.071***
(0.0004) | | NewIm_Cityj(t-1) | — | 0.221***
(-0.005) | — | 0.223***
(-0.005) | 0.055***
(0.001) | | NewIm_Nearcityk(t-1) | — | — | -0.058***
(-0.005) | -0.117***
(-0.005) | -0.026***
(0.001) | | Tech | 0.108***
(-0.004) | -0.087***
(-0.006) | 0.124***
(-0.005) | -0.090***
(-0.006) | -0.025***
(0.001) | | SOE | 0.486***
(-0.021) | 0.620***
(-0.023) | 0.611***
(-0.022) | 0.489***
(-0.023) | 0.014***
(0.0006) | | FOE | -0.570***
(-0.011) | -0.463***
(-0.011) | -0.399***
(-0.011) | -0.597***
(-0.011) | -0.034***
(0.0006) | | East | -1.281***
(-0.074) | -1.529***
(-0.079) | -0.910***
(-0.082) | -0.970***
(-0.083) | -0.040***
(0.003) | | Middle | -0.806***
(-0.084) | -0.847***
(-0.089) | -0.703***
(-0.088) | -0.617***
(-0.090) | -0.020***
(0.003) | | 地区固定效应 | √ | √ | √ | √ | √ | | 年份固定效应 | √ | √ | √ | √ | √ |
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