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Two older people sit on a bench near a beach on a clear day.
Feature: Changes in Racial Gaps in Retirement Security over Time

Douglas Elmendorf and Karen Dynan find a large wealth disparity between White and Black families nearing retirement age, and notable wealth declines for both groups between 2001 and 2019.

A man wearing a mask talks on a cell phone.
Feature: Recovering from COVID

James Stock finds that COVID-19 recovery was unprecedented in its rapid speed but still introduced or accelerated structural economic changes, including to the labor force.

Person looks at a text message on their cell phone.
Feature: Efficacy of Text Messaging in Activating Hard-to-Reach Voters

Latanya Sweeney finds that text message reminders can effectively boost engagement and registration accuracy among hard-to-reach voters.

A person reads an academic article on a laptop.
Feature: The Global Distribution of Authorship in Economics Journals

Dani Rodrik finds that Western and Northern European authors are overrepresented in economics journals by an order of magnitude compared to authors based in low-income countries.

Harvard Kennedy School faculty disseminate their research in working publications and papers that contribute to public knowledge and fuel policy innovation. This list features recent faculty publications, including journal articles, books, edited volumes, research papers, and public testimony.

Faculty Publications

Short-term exposure to filter-bubble recommendation systems has limited polarization effects: Naturalistic experiments on YouTube

Liu, Naijia, Xinlan Emily Hu, Yasemin Savas, Matthew A. Baum, Adam J. Berinsky, Allison J.B. Chaney, Christopher Lucas, Rei Mariman, Justin de Benedictis-Kessner, Andrew M. Guess, Dean Knox, and Brandon M. Stewart. "Short-term exposure to filter-bubble recommendation systems has limited polarization effects: Naturalistic experiments on YouTube." PNAS 122.8 (February 25, 2025): e2318127122.

De facto Openness to Immigration

Nedelkoska, Ljubica, Diego Martin, Alexia Lochmann, Ricardo Hausmann, Dany Bahar, and Muhammed A. Yildirim. "De facto Openness to Immigration." February 2025.

Learning not cheating: AI assistance can enhance rather than hinder skill development

Lira, Benjamin, Todd Rogers, Daniel G. Goldstein, Lyle Ungar, and Angela L. Duckworth. "Learning not cheating: AI assistance can enhance rather than hinder skill development." 22 February 2025.

Yes, America Is Europe’s Enemy Now

Walt, Stephen. "Yes, America Is Europe’s Enemy Now." Foreign Policy, February 21, 2025.

Building Capacity to Adapt Development Pathways to Protect Human Well-being in the Face of Shocks: Lessons from scholarship and practice

Harley, Alicia G., and William C. Clark. "Building Capacity to Adapt Development Pathways to Protect Human Well-being in the Face of Shocks: Lessons from scholarship and practice." Sustainability Science Program Working Paper Series, February 16, 2025.

America Is Its Own Worst Enemy

Walt, Stephen. "America Is Its Own Worst Enemy." Foreign Policy, February 12, 2025.

ADB Distinguished Speaker Lecture: The Complementarity Between Cities and State Capacity

Glaeser, Edward L. "ADB Distinguished Speaker Lecture: The Complementarity Between Cities and State Capacity." Asian Development Review (February 11, 2025).

How Does Shaming Human Rights Violators Abroad Shape Attitudes at Home?

Bassan-Nygate, Lotem. "How Does Shaming Human Rights Violators Abroad Shape Attitudes at Home?" British Journal of Political Science 55.e4 (10 February 2025): 1-19.

Asking about Complex Policies

Jessee, Stephen, Neil Malhotra, and Maya Sen. "Asking about Complex Policies." Public Opinion Quarterly (7 February 2025).

Arctic research cooperation in a turbulent world

Spence, Jennifer, John Holdren, and Fran Ulmer. "Arctic research cooperation in a turbulent world." Science 387.6734 (7 February 2025): 598-600.

Off-Balance: How US Courts Privilege Conservative Policy Outcomes

Highsmith, Brian, Maya Sen, and Kathleen Thelen. "Off-Balance: How US Courts Privilege Conservative Policy Outcomes." Perspectives on Politics (6 February 2025).

Displaced Learners: Early Integration of Ukrainian Refugee Students into Italy’s Schools

Carlana, Michela, Pauline Castaing, Mauro Testaverde, and Marco Tiberti. "Displaced Learners: Early Integration of Ukrainian Refugee Students into Italy’s Schools." World Bank Policy Research Working Paper Series, February 2025.

What IR Theory Predicts About Trump 2.0

Walt, Stephen. "What IR Theory Predicts About Trump 2.0." Foreign Policy, February 3, 2025.

Thinking (about peace science) in time

Chenoweth, Erica. "Thinking (about peace science) in time." Conflict Management and Peace Science (February 2, 2025).

Variation in batch ordering of imaging tests in the emergency department and the impact on care delivery

Jameson, Jacob C., Soroush Saghafian, Robert S. Huckman, and Nicole Hodgson. "Variation in batch ordering of imaging tests in the emergency department and the impact on care delivery." Health Services Research 60.1 (February 2025): e14406.

The U.S. Place-Based Policy Supply Chain

Hanson, Gordon H., Dani Rodrik, and Rohan Sandhu. "The U.S. Place-Based Policy Supply Chain." NBER Working Paper Series, February 2025.

How AI Can Support Democracy Movements: Summary Report of a Research and Practice Workshop

Chenowth, Erica. "How AI Can Support Democracy Movements: Summary Report of a Research and Practice Workshop." Ash Center Occasional Paper Series, February 2025.

Vanguard: Black Veterans and Civil Rights after World War I

Ang, Desmond and Sahil Chinoy. "Vanguard: Black Veterans and Civil Rights after World War I." NBER Working Paper Series, February 2025.

Investigator racial diversity and clinical trial participation

Alsan, Marcella, Romaine A. Campbell, Lukas Leister, and Ayotomiwa Ojo. "Investigator racial diversity and clinical trial participation." Journal of Health Economics (January 31, 2025).

Building Capacity to Measure Sustainability: Lessons from scholarship and practice

Harley, Alicia G., and William C. Clark. "Building Capacity to Measure Sustainability: Lessons from scholarship and practice." Sustainability Science Program Working Paper Series, January 29, 2025.

Make Work Fair: Data-Driven Design for Real Results

Bohnet, Iris, and Siri Chilazi. Make Work Fair: Data-Driven Design for Real Results. New York: HarperCollins, 2025.

This Could Be ‘Peak Trump’

Walt, Stephen. "This Could Be ‘Peak Trump’." Foreign Policy, January 27, 2025.

Behaviorally Designed Training Leads to More Diverse Hiring

Arslan, Cansin, Edward H. Chang, Siri Chilazi, Iris Bohnet, and Oliver P. Hauser. "Behaviorally Designed Training Leads to More Diverse Hiring." Science 387.6732 (24 Jan 2025): 364-366.

The Biopolitics of CRISPR

Jasanoff, Sheila. "The Biopolitics of CRISPR." The CRISPR Revolution in Science, Religion, and Ethics. Ed. Arvin M. Gouw and Ted Peters. London: Bloomsbury Academic, 2025.

Don’t look to efficiency for big deficit reductions

Dynan, Karen, and Doug Elmendorf. "Don’t look to efficiency for big deficit reductions." What awaits the Department of Government Efficiency? ÌÇÐÄvlog¹ÙÍø experts on prospects for a radical new initiative, January 15, 2025.

Joe Biden’s Final Foreign-Policy Report Card

Walt, Stephen. "Joe Biden’s Final Foreign-Policy Report Card." Foreign Policy, January 14, 2025.

Irritability and Social Media Use in US Adults

Perlis, Roy H., Ata Uslu, Jonathan Schulman, Faith M. Gunning, Mauricio Santillana, Matthew A. Baum, James N. Druckman, Katherine Ognyanova, and David Lazer. "Irritability and Social Media Use in US Adults." JAMA Network Open 8.1 (January 2025): e2452807.

A User’s Guide to ‘Who Lost Ukraine?’

Walt, Stephen. "A User’s Guide to ‘Who Lost Ukraine?’." Foreign Policy, January 8, 2025.

Cross-Sector Collaboration In Cities: Learning Journey Or Blame Game?

Pulido-Gómez, Santiago, Jorrit de Jong, and Jan W Rivkin. "Cross-Sector Collaboration In Cities: Learning Journey Or Blame Game?" Journal of Public Administration Research and Theory (01/08/2025).

A Framework for Considering the Value of Race and Ethnicity in Estimating Disease Risk

Coots, Madison, Soroush Saghafian, David M. Kent, and Sharad Goel. "A Framework for Considering the Value of Race and Ethnicity in Estimating Disease Risk." Annals of Internal Medicine 178.1 (January 2025): 98-107.

Community Targeting at Scale

Sumarto, Sudarno, Elan Satriawan, Benjamin A. Olken, Abhijit Banerjee, Achmad Tohari, Vivi Alatas, and Rema Hanna. "Community Targeting at Scale." NBER Working Paper Series, January 2025.

The Hidden Health Care Crisis Behind Bars: A Randomized Trial to Accredit U.S. Jails

Alsan, Marcella, and Crystal Yang. "The Hidden Health Care Crisis Behind Bars: A Randomized Trial to Accredit U.S. Jails." NBER Working Paper Series, January 2025.

Mean Reversion in Randomized Controlled Trials: Implications for Program Targeting and Heterogeneous Treatment Effects

Alsan, Marcella, John Cawley, Joseph J. Doyle Jr., and Nicholas Skelley. "Mean Reversion in Randomized Controlled Trials: Implications for Program Targeting and Heterogeneous Treatment Effects." NBER Working Paper Series, January 2025.

Trading Places: Mobility Responses of Native- and Foreign-Born Adults to the China Trade Shock

Autor, David, David Dorn, and Gordon Hanson. "Trading Places: Mobility Responses of Native- and Foreign-Born Adults to the China Trade Shock." ILR Review 78.1 (January 2025): 10-36.

Trump Can’t Bully the Entire World

Walt, Stephen. "Trump Can’t Bully the Entire World." Foreign Policy, December 30, 2024.

Relationship and Family for Good Governance

Bell, Daniel A., Edmund W. Cheng, Chunyan Ding, Elisabeth Ellis, Ruiping Fan, Alfred Ho, Sungmoon Kim, Qing Liu, Haig Patapan, Mathias Risse, Robert Sparrow, Siu Fu Tang, Julia Tao and Ellen Y. Zhang. "Relationship and Family for Good Governance." An East-West Dialogue on Good Governance: Learning from Each Other. Ed. Ruiping Fan and Sungmoon Kim. Singapore: Springer, 2024, 25-58.

Ritual, Civility, and Harmony for Good Governance

Bell, Daniel A., Edmund W. Cheng, Chunyan Ding, Elisabeth Ellis, Ruiping Fan, Alfred Ho, Sungmoon Kim, Qing Liu, Haig Patapan, Mathias Risse, Robert Sparrow, Siu Fu Tang, Julia Tao, and Ellen Y. Zhang. "Ritual, Civility, and Harmony for Good Governance." An East-West Dialogue on Good Governance: Learning from Each Other. Ed. Ruiping Fan and Sungmoon Kim. Singapore: Springer, 2024, 59-90.

Human Equality for Good Governance

Bell, Daniel A., Edmund W. Cheng, Chunyan Ding, Elisabeth Ellis, Ruiping Fan, Alfred Ho, Sungmoon Kim, Qing Liu, Haig Patapan, Mathias Risse, Robert Sparrow, Siu Fu Tang, Julia Tao, and Ellen Y. Zhang. "Human Equality for Good Governance." An East-West Dialogue on Good Governance: Learning from Each Other. Ed. Ruiping Fan and Sungmoon Kim. Singapore: Springer, 2024, 125-156.

What I have learned

Risse, Mathias. "What I have learned." An East-West Dialogue on Good Governance: Learning from Each Other. Ed. Ruiping Fan and Sungmoon Kim. Singapore: Springer, 2024, 197-200.

Individual Rights for Good Governance

Bell, Daniel A., Edmund W. Cheng, Chunyan Ding, Elisabeth Ellis, Ruiping Fan, Sungmoon Kim, Qing Liu, Haig Patapan, Mathias Risse, Robert Sparrow, Siu Fu Tang, Julia Tao, and Ellen Y. Zhang. "Individual Rights for Good Governance." An East-West Dialogue on Good Governance: Learning from Each Other. Ed. Ruiping Fan and Sungmoon Kim. Singagpore: Springer, 2024, 91-123.

The Generalizability of IR Experiments beyond the United States

Bassan-Nygate, Lotem, Jonathan Renshon, Jessica L. P. Weeks, and Chagai M. Weiss. "The Generalizability of IR Experiments beyond the United States." American Political Science Review (12/23/2024): 1-16.

Effective Generative AI: The Human-Algorithm Centaur

Saghafian, Soroush, and Lihi Idan. "Effective Generative AI: The Human-Algorithm Centaur." Harvard Data Science Review Special Issue 5 (December 19, 2024).

Playing Divide-and-Choose Given Uncertain Preferences

Tucker-Foltz, Jamie, and Richard Zeckhauser. "Playing Divide-and-Choose Given Uncertain Preferences." RWP22-008, December 2024.

Second-Best Amendment: Market Power and Tax Design in the Firearms Industry

Armona, Luis, and Adam M. Rosenberg. "Second-Best Amendment: Market Power and Tax Design in the Firearms Industry." December 13, 2024.

Austria Should Be America’s European Model

Walt, Stephen. "Austria Should Be America’s European Model." Foreign Policy, December 11, 2024.

Race, shaming, and international human rights

Búzás, Zoltán I., and Lotem Bassan-Nygate. "Race, shaming, and international human rights." American Journal of Political Science (9 December 2024).

Rebuilding Kharkiv: Economic Strategy

Glaeser, Edward, and Ian Goldin. "Rebuilding Kharkiv: Economic Strategy." United Nations Economic Commission for Europe, December 2, 2024.

Fiscal policy and the pandemic-era surge in US inflation: Lessons for the future

Dynan, Karen, and Douglas Elmendorf. "Fiscal policy and the pandemic-era surge in US inflation: Lessons for the future." Understanding the COVID Era Inflation, Peterson Institute for International Economics, December 2024.

The Mysteries of Cities and Economic Growth

Cutler, David, and Edward Glaeser. "The Mysteries of Cities and Economic Growth." Finance & Development Magazine. December 2024.

The True Cost of Living

Summers, Lawrence H., Marijn A. Bolhuis, and Judd Cramer. "The True Cost of Living." Finance & Development. December 2024.