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
丁建军, 万航

The spatial characteristics of digital village development and farmers' income increase effect: An empirical analysis based on Digital Rural County Index and CHFS
DING Jian-jun, WAN Hang
表4 异质性检验
Table 4 Test of heterogeneity
(1)
IV-2SLS
(2)
IV-2SLS
(3)
IV-2SLS
(4)
IV-2SLS
D C 0.0121*** 0.0115*** 0.0135*** 0.0231*
(4.39) (3.14) (2.94) (1.92)
D C × I n c o m e -0.0068***
(-13.54)
C o n s t a n t 5.3697*** 5.5554*** 4.5150*** 0.7757
(24.95) (19.65) (13.16) (0.63)
C o n t r o l Y e s Y e s Y e s Y e s
N/个 7683 4068 3513 102
R 2 0.287 0.228 0.240 0.627