撤县设区与区域经济发展——基于双重差分方法的政策评估
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庄汝龙, 李光勤, 梁龙武, 宓科娜
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Turning county into district and regional economic growth: Policy evaluation based on difference-in-difference method
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ZHUANG Rulong, LI Guangqin, LIANG Longwu, MI Kena
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表5 安慰剂检验与时间效应回归结果
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Tab. 5 Regression results of placebo test and time effect
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| 解释变量 | 被解释变量：lnGDP | | 模型(7) | 模型(8) | 模型(9) | 模型(10) | 模型(11) | | Year-5 | 0.068 | 0.012 | | | 0.014 | | (0.089) | (0.030) | | | (0.031) | | Year-4 | 0.022 | -0.037*** | | | -0.037*** | | (0.064) | (0.011) | | | (0.012) | | Year-3 | -0.033 | -0.013 | | | -0.010 | | (0.072) | (0.032) | | | (0.032) | | Year-2 | -0.015 | 0.025 | | | 0.028 | | (0.027) | (0.015) | | | (0.019) | | Year-1 | -0.011 | 0.002 | | | 0.005 | | (0.035) | (0.023) | | | (0.024) | | Year0 | -0.038 | -0.008 | -0.033 | -0.007 | -0.006 | | (0.034) | (0.022) | (0.035) | (0.022) | (0.022) | | Year+1 | | | -0.004 | -0.018 | -0.018 | | | | (0.025) | (0.016) | (0.016) | | Year+2 | | | 0.021 | -0.008 | -0.008 | | | | (0.030) | (0.021) | (0.021) | | Year+3 | | | 0.075*** | 0.031 | 0.031 | | | | (0.022) | (0.021) | (0.021) | | Year+4 | | | 0.080*** | 0.030** | 0.031** | | | | (0.018) | (0.015) | (0.015) | | Year+5 | | | 0.087*** | 0.044** | 0.045** | | | | (0.023) | (0.018) | (0.018) | | 控制变量 | N | Y | N | Y | Y | | 常数项 | 5.581*** | 3.400*** | 5.581*** | 3.431*** | 3.418*** | | (0.014) | (0.394) | (0.013) | (0.391) | (0.393) | | N | 1246 | 1246 | 1246 | 1246 | 1246 | | 时间固定 | Y | Y | Y | Y | Y | | 地区固定 | Y | Y | Y | Y | Y | | F | 317.070 | 647.336 | 314.703 | 450.786 | 466.884 | | (P) | [0.000] | [0.000] | [0.000] | [0.000] | [0.000] | | 调整后的R2 | 0.920 | 0.955 | 0.922 | 0.956 | 0.955 |
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