数字经济对黄河流域农业生态产品价值实现效率的影响
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胡莉莉, 马意伟, 孙晓娟
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Impact of the digital economy on the value realization efficiency of agricultural ecological products in the Yellow River Basin
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Lili Hu, Yiwei Ma, Xiaojuan Sun
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表6 中介效应检验
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Table 6 Mediation effect test
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| 变量 | 黄河流域 | 上游地区 | 中游地区 | 下游地区 |
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| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
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| TI | ISU | TI | ISU | TI | ISU | TI | ISU |
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| DIG | 0.161*** | 0.076*** | 0.036 | 0.054 | 0.074 | 0.070** | 0.268** | 0.219** | | (0.029) | (0.015) | (0.046) | (0.034) | (0.221) | (0.028) | (0.100) | (0.075) | | 控制变量 | YES | YES | YES | YES | YES | YES | YES | YES | | 个体固定效应 | YES | YES | YES | YES | YES | YES | YES | YES | | 时间固定效应 | YES | YES | YES | YES | YES | YES | YES | YES | | 常数项 | -0.053 | -0.062 | -0.189* | -0.141 | -0.343** | 0.043** | 1.075* | 0.323* | | (0.119) | (0.061) | (0.098) | (0.099) | (0.147) | (0.019) | (0.513) | (0.170) | | R2 | 0.908 | 0.582 | 0.958 | 0.519 | 0.974 | 0.883 | 0.994 | 0.977 | | N | 126 | 126 | 56 | 56 | 42 | 42 | 28 | 28 |
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