Working Papers

Working papers (with drafts) and works in progress (without drafts) are below.

Event-Studies with a Continuous Treatment

with Brantly Callaway and Pedro Sant'Anna

pdf | January 2024. AER P&P session paper.

A continuous and staggered treatment defines many causal parameters at the treatment timing, dose, and time level. Aggregating them across dose values and/or across time is crucial for interpretation and simplifies estimation.

Difference-in-Differences with a Continuous Treatment

with Brantly Callaway and Pedro Sant'Anna

arXiv | January 2024. Revise and Resubmit, American Economic Review (June 2024)

To identify the causal effect of small changes in the "dose", DiD with a continuous treatment requires stronger assumption than just traditional parallel trends.

Difference-in-Differences with Variation in Treatment Timing: A Practitioner’s Guide

with with Andrew Baker, Brantly Callaway, Scott Cunningham, and Pedro Sant'Anna. Submitted to the Journal of Economic Literature, August 2023

A survey article about an approach to difference-in-differences designs that works for simple and complex designs.

Works in Progress

The War on Poverty 55 Years Later: a Review of Long-Run Effects

with with Martha Bailey, Jamein Cunningham, and Nic Duquette

A survey article about evidence on long-run effects of War on Poverty programs.

Who Benefits from Federal Welfare Spending? Evidence from the Introduction of Progressive Cost Sharing

with with Matt Pesner

How did a policy that subsidized welfare benefits more in poor states affect generosity?

The Introduction of Disability Welfare Benefits and the Size of the Safety Net

with with Dan Fetter and Lucie Schmidt

Did the introduction of a welfare program for adults with disabilities raise their welfare income?