中国数字乡村发展的空间特征及其农户增收效应——基于县域数字乡村指数与CHFS的实证分析
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丁建军, 万航
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The spatial characteristics of digital village development and farmers' income increase effect: An empirical analysis based on Digital Rural County Index and CHFS
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DING Jian-jun, WAN Hang
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表4 异质性检验
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Table 4 Test of heterogeneity
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| (1) IV-2SLS | (2) IV-2SLS | (3) IV-2SLS | (4) IV-2SLS | | 0.0121*** | 0.0115*** | 0.0135*** | 0.0231* | | (4.39) | (3.14) | (2.94) | (1.92) | | -0.0068*** | | | | | (-13.54) | | | | | 5.3697*** | 5.5554*** | 4.5150*** | 0.7757 | | (24.95) | (19.65) | (13.16) | (0.63) | | | | | | N/个 | 7683 | 4068 | 3513 | 102 | | 0.287 | 0.228 | 0.240 | 0.627 |
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