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3 新进口对于新出口影响作用的区域异质性
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Tab. 3 The effects of new varieties of imports on new varieties of exports in different regions
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| 自变量 | 因变量：NewEx_Firmjt | | 因变量：NewEx_Cityjt | | 发达地区 | 欠发达地区 | 发达地区 | 欠发达地区 | | 模型(6) | 模型(7) | 模型(8) | 模型(9) | | NewIm_Firmi(t-1) | 0.122***
(0.009) | 0.107***
(-0.002) | | — | — | | NewIm_Cityj(t-1) | 0.394***
(0.007) | 0.291***
(-0.008) | | — | — | | NewIm_Nearcityk(t-1) | -0.237***
(0.007) | 0.052***
(-0.009) | | -0.200***
(0.001) | 0.027***
(0.001) | | Tech | -0.188***
(0.008) | -0.195***
(-0.012) | | 0.223***
(0.0004) | 0.289***
(0.001) | | SOE | 0.733***
(0.035) | 0.266***
(-0.039) | | -0.063***
(0.003) | -0.234***
(0.006) | | FOE | -0.703***
(0.015) | -0.532***
(-0.024) | | -0.007***
(0.001) | 0.018***
(0.003) | | 地区固定效应 | √ | √ | | √ | √ | | 年份固定效应 | √ | √ | | √ | √ |
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