Econ 570 - Summer 2008

Categorical Dependent Variables

Simultaneity and Two-Stage Least Squares

Somebody forgot to take pictures, but there are better versions on the other 570 web sites.

Midterm Answers

Heteroskedasticity

Midterm

Review for Midterm

Serially Correlated Errors

Discussion of Term Paper and Income Project

The Log Function

Dummy Variables

Left-out Variables, Irrelevant Variables, and Multicollinearity

Discussion of "What Determines Income"

You will need these links for the data and the variable definitions. For those of you who are bandwidth-impaired, there is a truncated 1000 observation dataset. To save these files to your computer, right-click on a link and chose "Save Target As."

You might find the do file helpful. You can cut and paste this file into the do file editor in Stata.

Functional Form

Discussion of Testing

The F Test of Multiple Restrictions