贸易壁垒、市场相关多样化与城市出口韧性
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王文宇, 任卓然, 李伟, 贺灿飞
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Trade barriers, market related variety and export resilience of cities
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WANG Wenyu, REN Zhuoran, LI Wei, HE Canfei
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表4 异质性分析
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Tab. 4 Regression heterogeneity analysis
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| 模型（1） | 模型（2） | 模型（3） | | 模型（4） | 模型（5） | 模型（6） | | 变量 | 贸易壁垒直接效应 | 贸易壁垒间接效应 | | 外资比重 | 是否有国家级经济开发区 | 发达国家
(或地区) | 外资比重 | 是否有国家级经济开发区 | 发达国家
(或地区) | | Var_NTMs_RV | 0.340*** | 0.378*** | -0.157*** | | 0.459*** | 0.522*** | -0.020 | | (0.063) | (0.058) | (0.051) | (0.073) | (0.068) | (0.086) | | Var_NTMs | -0.016*** | -0.005*** | 0.004** | -0.023*** | -0.008*** | 0.003 | | (0.002) | (0.001) | (0.002) | (0.002) | (0.001) | (0.002) | | Var_RV | 0.145 | 0.482*** | 0.485*** | 0.173 | 0.516*** | 0.299** | | (0.131) | (0.117) | (0.125) | (0.129) | (0.117) | (0.147) | | NTMs_RV | 0.261*** | 0.193*** | 0.251*** | | | | | (0.018) | (0.016) | (0.020) | | | | | NTMs2_RV | | | | 0.335*** | 0.242*** | 0.295*** | | | | | (0.021) | (0.018) | (0.020) | | NTMsj,t | -0.002** | -0.000* | -0.004*** | | | | | (0.001) | (0.001) | (0.001) | | | | | NTMs2j,t | | | | -0.006*** | -0.002* | -0.007*** | | | | | (0.001) | (0.001) | (0.001) | | RVc,j,t | 0.496*** | 0.422*** | 0.441*** | 0.509*** | 0.428*** | 0.415*** | | (0.042) | (0.037) | (0.040) | (0.042) | (0.036) | (0.040) | | Var | -0.042*** | -0.035*** | 4.442*** | -0.041*** | -0.035*** | 5.152*** | | (0.004) | (0.002) | (0.977) | (0.004) | (0.002) | (0.985) | | _cons | 41.767*** | 41.556*** | 40.849*** | 48.139*** | 47.865*** | 46.813*** | | (8.334) | (8.332) | (8.339) | (8.385) | (8.383) | (8.403) | | 控制变量 | Yes | Yes | Yes | Yes | Yes | Yes | | 时间效应 | Yes | Yes | Yes | Yes | Yes | Yes | | 省份效应 | Yes | Yes | Yes | Yes | Yes | Yes | | 国家（地区）效应 | Yes | Yes | Yes | Yes | Yes | Yes | | N | 586782 | 586782 | 586782 | 586782 | 586782 | 586782 | | F | 323.961 | 325.097 | 324.318 | 324.569 | 325.724 | 324.641 | | R2 | 0.115 | 0.115 | 0.115 | 0.115 | 0.115 | 0.115 | | P | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
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