# Difference-in-Differences Workshop at LSU

These are the materials for the difference-in-differences workshop at LSU.

## Part 1: Introduction to Difference-in-Differences

[Slides]

[Code]

## Part 2: Relaxing Parallel trends

[Slides]

[Code] [Honest DID Code]

## Coding Exercise 1

Applying DID techniques from parts 1 and 2 to job displacement data.

[Problems]

[R Data] [Stata dta]

[R Solutions] [Stata Solutions] (Stata solutions were written by Kyle Butts for Mixtape Sessions)

## Part 3: More Complicated Treatment Regimes

[Slides]

[Code]

## Coding Exercise 2

DID with a continuous treatment using simulated hospital data.

[Problems]

[R Data] [Stata dta]

[R Solutions]

## Part 4: Alternative Identification Strategies

[Slides]

[Code]

## Coding Exercise 3

Applying alternative identification strategies to job displacement data.

Problems

Data - same as Coding Exercise 1

R Solutions

## Minimum Wage Data

This is the main data used during the workshop.

## Additional Materials

A main resource for the material from today’s workshop is my DID chapter in the *Handbook of Labor, Human Resources, and Population Economics*. The published (gated) version is available here. The (ungated) draft version is available here.