Andrew Goodman-Bacon

Peer-Reviewed Publications

ABOUT ME
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Links to publications, ungated manuscripts, and press coverage are below.





Regression DD is a weighted average of many "simple" DDs.

Difference-in-Differences with Variation in Treatment Timing

pdf | Appendix | FAQ | Journal of Econometrics (March 2021)


Kids who got Medicaid in the 1960s grew up to be healthier and more productive adults.

The Long-Run Effects of Childhood Insurance Coverage: Medicaid Implementation, Adult Health and Labor Market Outcomes

NBER |pdf | Appendices |American Economic Review, forthcoming (March 2021) Coverage: Vox | Washington Post


Medicaid does not kill people.

Observational Studies of the Effect of Medicaid on Health: Controls Are Not Enough

with Seth Freedman and Noah Hammarlund

pdf | Journal of Labor Economics (Volume in Honor of John DiNardo), forthcoming (October 2020)


How researchers should (and should not) use DD to study COVID policies.

Using Difference-in-Differences to Identify Causal Effects of COVID-19 Policies

with Jan Marcus

published | Survey Research Methods , 2020, 14(2)


When it started in 1974, SSI drew many beneficiaries from other welfare programs.

Federalizing Benefits: The Introduction of Supplemental Security Income and the Size of the Safety Net

with Lucie Schmidt

pdf | published | Journal of Public Economics, 2020, 185.


Medicaid's introduction saved the lives of a lot of children and infants.

Public Insurance and Mortality: Evidence from Medicaid Implementation

pdf | Data Appendix | Results Appendices | published | Journal of Political Economy, 2018, 126(1).


Limits on federal financing in the 1950s made public medical programs smaller not more efficient.

Per Capita Caps in Medicaid: Lessons from the Past

with Sayeh Nikpay

published | New England Journal of Medicine, 2017.


Federally funded health centers saved lives among older adults in the 1960s.

The War on Poverty’s Experiment in Public Medicine: Community Health Centers and the Mortality of Older Americans

with Martha Bailey

NBER |published | American Economic Review, 2015, 105(3)




Non-Peer-Reviewed Publications

A book about the research, researchers, data, and politics that defined poverty and anti-poverty policy in the 1950s and 1960s.

Review of The Expert’s War on Poverty (by Romain Huret)

published | Journal of Economic History, 2019, 79(2)


More evidence that the ACA Medicaid expansion did not exacerbate the opioid epidemic.

Causality, Stories, Medicaid, and Opioids

with Emma Sandoe

pdf | Statement for the Record, U.S. Senate Committee on Homeland Security & Governmental Affairs, February 1, 2018


The ACA Medicaid expansion did not exacerbate the opioid epidemic.

Did Medicaid Expansion Cause the Opioid Epidemic? There’s Little Evidence That it Did.

with Emma Sandoe

published | Health Affairs Blog, August 23, 2017


A book about the history of health equity advocates and their influence on the ACA.

Review of 150 Years of ObamaCare (by Daniel Dawes)

published | Journal of Economic Literature, December, 2016


EITC recipients spend their money on durable goods.

How do EITC Recipients Spend their Refunds?

with Leslie McGranahan

published | Economic Perspectives, Federal Reserve Bank of Chicago, Vol. 32, Second Quarter 2008


Who Are Temporary Nurses?

with Yukako Ono

published | Economic Perspectives, Federal Reserve Bank of Chicago, Vol. 31, First Quarter 2007