Nonlinear Effect of Urbanization on the Gap between Urban and Rural Elementary Education in China

Table 2

Nonlinearity test of the PSTR model.

Null hypothesis and alternative hypothesis	Statistics	Number of location parameters
		m = 1	m = 2
H 0: r = 0 vs H1: r ≥ 0	Wald test (LM)	33.641[0.000]	47.961[0.000]
	Fisher test (LMF)	6.700[0.000]	4.918[0.000]
	LRT test (LRT)	35.318[0.000]	51.471[0.000]