Table 9 Urban hierarchy heterogeneity tests.

From: Effects of trial urban growth boundary delineation on land carrying capacity in China

Variables

ECC

SOC

ENC

DID × HIERARCHY

−0.046** (0.020)

0.018* (0.010)

0.0227* (0.013)

YEAR

0.170*** (0.014)

0.033*** (0.007)

0.0490*** (0.006)

TREAT

0.023* (0.014)

0.0316*** (0.007)

0.0169** (0.007)

Control variable

Yes

Yes

Yes

Constant

0.458** (0.187)

0.159*** (0.004)

0.571*** (0.029)

N

435

435

435

R2

0.396

0.731

0.335

  1. aStandard error.
  2. *** p < 0.01, ** p < 0.05, * p < 0.1.