1. How is heteroscadasticity treated in multiple regression analysis? Can you discuss an example from research literature ? 2. How does one use regression analysis to estimate a, b and c. 3. When is...

1. How is heteroscadasticity treated in multiple regression analysis? Can you discuss an example from research literature ?

2. How does one use regression analysis to estimate a, b and c.

3. When is lagged regression analysis important? Give an example.