did

Fit a bounded two-way fixed-effects difference-in-differences model.

When to use

How do I estimate an average treatment effect using panel data with treated and post indicators?

Syntax

did y [controls], treat(<var>) post(<var>) [robust]

Examples

panel firm_id year
did wage exposure, treat(treated) post(post)
did wage exposure, treat(treated) post(post) robust

See also

• Command Reference Index
• User Guide
• In-App Help System