Skip to main content

Table 8 Test for heteroskedasticity

From: Chinese shareholders’ reaction to the disclosure of environmental violations: a CSR perspective

Test method

Hypothesis

Test result

Conclusion

Breusch-Pagan/ Cook-Weisberg

H0: sigma(i)^2= sigma^2 for all i

chi2(10) = 17.66

Prob > chi2 = 0.061

Reject H0

White

H0: sigma(i)^2= sigma^2 for all i

chi2(61) = 79.56

Prob > chi2 = 0.056

Reject H0