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Treatment Effects with Multiple Periods and Groups

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did-package: Difference in Differences

did-package: Difference in Differences
In did: Treatment Effects with Multiple Periods and Groups

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Difference in Differences

Description

did implements Difference in Differences with multiple periods and variation in treatment timing.

Author(s)

Maintainer: Brantly Callaway brantly.callaway@uga.edu

Authors:

See Also

Useful links:


did documentation built on June 13, 2026, 5:07 p.m.

Related to did-package in did...

did index
Package overview README.md Getting Started with the did Package Introduction to DiD with Multiple Time Periods" Pre-Testing in a DiD Setup using the did Package Problems with two-way fixed-effects event-study regressions Writing Extensions to the did Package

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