Research Article

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

Table 4

The findings of Hausman test.

(b)(B)(b − B)Sqrt (diag (V_b − V_B))
FEREDifferenceSE

−4011297−4649495638197.9878663.8
0.01663320.00123280.01540030.0024575
−0.0082575−0.01053190.00227440.0156202
0.83037780.8395955−0.00921760.004411
−0.0031594−0.00786370.00470430.0068185
−0.00350120.0111806−0.01468180.007662
Cons0.01726220.0209265−0.00366430.0054629

b = consistent under Ho and Ha, obtained from xtreg. B = inconsistent under Ha, efficient under Ho, and obtained from. xtreg. Test. Ho: difference in coefficients being not systematic. Chi2 (1) = (b − B)’[(V_b − V_B)−1](b − B) = 0.53. Prob > chi2 = 0.4676; (V_b − V_B) is not positive definite.