Table 4.

Test to verify the Gauss–Markov assumptions

Diagnostic testStatisticsProb.Conclusion
Jarque-Bera normality test Chi27.1030.02Normality is present
Breusch-Pagan/Cook-Weisberg test for Heteroscedasticity7.030.00Heteroscedasticity is present
Breusch-Godfrey LM test for autocorrelation136.380.00Serial correlation is present

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