Utilisation Efficiency of Construction Land in China’s Coastal Cities Based on Debt Level

Table 2

Simulation results with urban economic development level as the threshold variable.

Variable	Coefficient	Robust standard deviation	T Statistic
D (n)	0.0014	0.0002	9.4172	0.0001
D (pgdp)	0.0076	0.0095	0.7982	0.0425
B	0.0139	0.0058	2.3766	0.0179
	0.0011	0.0006	1.9369	0.0535
An	0.0004	0.0002	1.7486	0.0811
Al	−0.0023	0.0003	−6.9148	0.0001
Inimser (pgdp < 2.6681)	0.3262	0.4594	0.7101	0.4781
Inimser (2.6681 < pgdp < 5.1700)	−2.5232	1.3127	−1.9222	0.0553
Inimser (pgdp > 5.1700)	1.3175	0.5908	2.2300	0.0263