Dougherty: Introduction to Econometrics 3e 
Data sets
Instructor's manualDougherty: Introduction to Econometrics 3e
Chapter 07
- Heteroscedasticity
- (PPT 1398 kB)
- Goldfeld-Quandt test for heteroscedasticity
- (PPT 484 kB)
- Heteroscedasticity: weighted and logarithmic regressions
- (PPT 919 kB)
- White test for heteroscedasticity
- (PPT 87 kB)
- Heteroscedasticity - consistent standard errors
- (PPT 117 kB)
- Exercise 7.1: Research assistants
- (PPT 158 kB)
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