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Table 5 Heterogeneity analysis—city size and regionalization

From: Retention of the highly educated migrants: from the perspective of urban e-service capability

Variable

Model 18 (more than 3million)

Model 19 (less than 3milloin)

Model 20 (east)

Model 21 (central)

Model 22 (west)

e-services

0.709** (0.362)

0.415* (0.218)

1.035** (0.424)

0.149 (0.367)

0.811* (0.439)

Control variables

Yes

Yes

Yes

Yes

Yes

Pseudo R2

0.129

0.080

0.135

0.081

0.070

Quantity of samples

12,643

8718

11,706

4599

5056

  1. **, * are significant at 5%, and 10% significant levels respectively, the standard errors clustered by city are in parentheses