Econometrics – Problem Set4Ch 4_ Q1.Sol) (i)&(iii) can cause the usual OLS statistics to be invalid (under ).(i) Homoskedasticity is one of the CLM as..
Econometrics – Problem Set5Ch 6_ Q1.Sol) The generality is not necessary. The t-ratio of roe is only about -.30. It shows is statistically insignifica..