[Retracted] Application and Analysis of Spatial Spillover Effects of an Improved Panel Data Econometric Model in Universities, Population, and Industrial Parks in Guiyang

Table 1

Validity of model estimation with different panel data.

Parameter	OLS		Equal-weight GMM-GLS		Optimal-weight GMM-GLS
	Coefficient	T value	Coefficient	T value	Coefficient	T value
β	0.142	9.55	0.243	5.28	0.249	5.35
β	0.898	51.94	0.662	15.21	0.653	15.01
β	0.104	6.00	0.361	7.07	0.368	7.22
C	−202	−20.54	−3.11	−8.46	−3.14	−8.48
σ	—	—	0.0751	121.08	0.0511	135.22
σ	—	—	0.00067	483.54	0.00076	50.19
σ	—	—	0.00392	213.03	0.00355	75.15