Table 7 Absolute \(\beta\)-convergence of the CCD.

From: Research on the coupling coordination characteristics and convergence of digital finance and regional sustainable development: evidence from Chinese city clusters

Variables

Full sample

Jing-jin-Ji

Yangtze River Delta

Pearl River Delta

Middle of Yangtze

Cheng-Yu

Beibu Gulf

\(\beta\)

 − 0.5449***

(− 23.34)

 − 0.3437*** (− 5.66)

 − 0.4419*** (− 8.16)

 − 0.3845*** (− 4.59)

 − 0.7207*** (− 18.01)

 − 0.6578*** (− 9.16)

 − 0.4883*** (− 6.38)

Time fixed

Yes

Yes

Yes

Yes

Yes

Yes

Yes

City fixed

Yes

Yes

Yes

Yes

Yes

Yes

Yes

R2

0.544

0.1298

0.6751

0.6101

0.7383

0.7366

0.7143

Convergence Rate

8.7

4.68

6.48

5.39

14.17

11.92

7.44

Half-way Convergence Period

7.9

14.81

10.70

12.86

4.89

5.82

9.31

N

810

108

162

81

243

126

90

  1. Note: The symbols *, **, and *** denote significance levels of 10%, 5%, and 1%, respectively. T-statistics are provided in parentheses.
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