Narrated Lecture Slides for an introduction to the concept of Heteroskedasticity in a simple OLS model.
Roughly follows chapter 10 of the Studenmund textbook, and/or Ch. 8 of the Wooldridge intro book.
Link to Part 2: https://youtu.be/uoDwvfbGrxc
Link to tutorial on White Test: https://youtu.be/ONfwtKmidvI
Link to Jeffrey Wooldridge Introductory Econometrics Textbook:
https://www.amazon.com/gp/product/8131524655/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=8131524655&linkCode=as2&tag=mikejonasecon-20&linkId=0a5fe7ce6ac777090a194cb5bb48071b
Link to the excellent Introduction to Econometrics Textbook by AH Studenmund:
https://www.amazon.com/gp/product/9332584915/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=9332584915&linkCode=as2&tag=mikejonasecon-20&linkId=6697afcfde8c335b461795eec22e3977
My Twitter is:
https://twitter.com/MichaelRJonas
My Google Scholar Page:
https://scholar.google.com/citations?user=c97cvAwAAAAJ&hl=en&oi=sra
ResearchGate:
https://www.researchgate.net/profile/Michael_Jonas2