This technical note discusses fixed effects models. Though a unified example, the note shows how omitted variable bias can plague estimates in cross-section regressions and how focusing attention on ...

Many researchers use unit fixed effects regression models as their default methods for causal inference with longitudinal data. We show that the ability of these models to adjust for unobserved ...

This paper deals with statistical inference for the fixed effects panel data seemingly unrelated partially linear regression model. The model naturally extends the traditional fixed effects panel data ...

The first three should be places in some appropriate ado-folder. On my computer, it is called c:\ado\personal\. Date: 8/27/2009; slight revision 9/15/2009 References. Honoré, Bo E. (1992): "Trimmed ...