It is increasingly common in empirical research to merge data sets containing different units of observation. When the units are not nested, a crosswalk specifying how the units from one data source are allocated to the units of the other is needed. Unfortunately, most crosswalks are ad hoc, a...

Preface -- Chapter 1: The Nature of Econometrics -- Chapter 2: Simple Regression Analysis -- Chapter 3: Residual Statistics -- Chapter 4: Hypothesis Testing -- Chapter 5: Multiple Regression -- Chapter 6: Alternate Functional Forms -- Chapter 7: Dichotomous Variables -- Chapter 8: Properties of...