Research Article

[Retracted] Land Price Distortion, Financial Development, and Regional Innovation

Table 6

Results of financial efficiency mediating effect test.

Connotation of the model
dependent variable
Total effect lnppatentsMediating effect (1) fin_effiMediating effect (2) lnppatents

Distort0.0044−0.00010.0044
(0.002)(0.001)(0.002)
fin_effi0.0599
(0.038)
ControlsYesYesYes
CityYesYesYes
YearYesYesYes
Observations3,0203,0243,020
R-squared0.7790.0790.779
Number of cities287287287
Sobel−0.857

Notes. Robust standard errors in parentheses; , , and represent the significance level of 10%, 5%, and 1%, respectively.