The Earnings Management Strategy of List Companies in Pearl River Delta Region of China Based on Complex Network Theory

Table 3

Result of unit root.

Number of obs = 1,815					Number of groups = 16
R-sq: within = 0.9438					Obs per group: min = 11
Between = 0.9202					Avg = 11.0
Overall = 0.9415					Max = 11
Group variable: Co					Wald chi^2(6) = 29087.44
Corr (u_i, X) = 0 (assumed)					Prob > chi^2 = 0.0000
yt	Coef.	Std. err.	Z		(95% conf. interval)
	−4649495	1069459	−4.35	0.000	−6745596	−2553393
	0.0012328	0.0048786	0.25	0.801	−0.0083291	0.0107948
	−0.0105319	0.0086824	−1.21	0.225	−0.027549	0.0064853
	0.8395955	0.0109845	76.43	0.000	0.8180663	0.8611246
	−0.0078637	0.0035245	−2.23	0.026	−0.0147715	−0.0009559
	0.0111806	0.0049028	2.28	0.023	0.0015713	0.0207899
_Cons	0.0209265	0.0036572	5.72	0.000	0.0137585	0.0280945
sigma_u	0
sigma_e	0.07777193
Rho	0	(Fraction of variance due to u_i)