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Delivery worker wearing a medical mask and carrying packages.
Feature: The Impact of State Paid Sick Leave Laws on Service Workers

Daniel Schneider finds that state paid sick leave laws increased service workers’ access to paid sick leave and reduced the share of service workers who worked while sick.

A family with a father, mother, and two small children walking on a dirt path.
Feature: Connecting Absolute and Relative Intergenerational Mobility

Deirdre Bloome offers two frameworks for understanding the relationship between types of intergenerational mobility, or whether people are socioeconomically better off than their parents.

Two women in rural India dressed colorfully and carrying baskets on their heads.
Feature: Studying a Government Program to Support Women’s Self-Help Groups

Michael Walton explores the interactions between state and society in rural India within a major community-based development program, finding two major tensions.

A network of computer motherboards and other parts assembled to look like a miniature city.
Feature: The Data-Informed City

Jorrit de Jong presents a comprehensive framework for how cities can use data to address problems more effectively, efficiently, equitably, and with better accountability.

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

Understanding Child Sex Trafficking by Use of Victim-Level Data

Bjorkman Nyqvist, Martina, Maria Kuecken, Eliana La Ferrara, and Elsa Artadi. "Understanding Child Sex Trafficking by Use of Victim-Level Data." Economic Development and Cultural Change 73.3 (April 2025): 1501-1526.

An Insider’s Perspective on How to Reduce Fraud in the Social Sciences

Bazerman, Max. "An Insider’s Perspective on How to Reduce Fraud in the Social Sciences." Journal of Law, Medicine & Ethics (March 27, 2025).

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.

Asking about Complex Policies

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

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).

Thinking (about peace science) in time

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

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.

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.

Racial health disparities in the United States

Alsan, Marcella, Katherine Ianni, and Graeme Peterson. "Racial health disparities in the United States." Oxford Review of Economic Policy 40.3 (Autumn 2024): 498-517.

Protests in the United States on Palestine and Israel, 2023–2024

Chenoweth, Erica, Soha Hammam, Jeremy Pressman, and Jay Ulfelder. "Protests in the United States on Palestine and Israel, 2023–2024." Social Movement Studies (10/18/2024): 1-14.

Health Equity in the 2024 U.S. Presidential Election

Alsan, Marcella, and Ruqaiijah Yearby. "Health Equity in the 2024 U.S. Presidential Election." NEJM (October 2, 2024).

Medicare Part D Protected-Class Policy Is Associated With Lower Drug Rebates

Kakani, Pragya, Michael Anne Kyle, Amitabh Chandra, and Luca Maini. "Medicare Part D Protected-Class Policy Is Associated With Lower Drug Rebates." Health Affairs 43.10 (October 2024): 1420-1427.

Tracking COVID-19 Infections Using Survey Data on Rapid At-Home Tests

Santillana,Mauricio, Ata A. Uslu, Tamanna Urmi, Alexi Quintana-Mathe, James N. Druckman, Katherine Ognyanova, Matthew Baum, Roy H. Perlis, and David Lazer. "Tracking COVID-19 Infections Using Survey Data on Rapid At-Home Tests." JAMA Network Open 7.9 (September 2024): e2435442.

Prevalence and correlates of irritability among U.S. adults

Perlis, Roy H., Ata Uslu, Jonathan Schulman, Aliayah Himelfarb, Faith M. Gunning, Nili Solomonov, Mauricio Santillana, Matthew A. Baum, James N. Druckman, Katherine Ognyanova, and David Lazer. "Prevalence and correlates of irritability among U.S. adults." Neuropsychopharmacology (24 August 2024).

Trust in Physicians and Hospitals During the COVID-19 Pandemic in a 50-State Survey of US Adults

Perlis, Roy H., Katherine Ognyanova, Ata Uslu, Kristin Lunz Trujillo, Mauricio Santillana, James N. Druckman, Matthew A. Baum, and David Lazer. "Trust in Physicians and Hospitals During the COVID-19 Pandemic in a 50-State Survey of US Adults." JAMA 7.7 (July 2024): e2424984.

It Is Time to Consider More Price Regulation in Health Care

Glied, Sherry, and Amitabh Chandra. "It Is Time to Consider More Price Regulation in Health Care." JAMA Forum 5.6 (June 2024): e242342.

Thinking about Parents: Gender and Field of Study

Carlana, Michela, and Lucia Corno. "Thinking about Parents: Gender and Field of Study." AEA Papers and Proceedings 114 (May 2024).

Who benefits? Experimental evidence on Saudi women’s take-up of unemployment assistance

Al-Karablieh, Yazan, Rema Hanna, and Rohini Pande. "Who benefits? Experimental evidence on Saudi women’s take-up of unemployment assistance." Economics Letters (April 6, 2024).

Can Prevention Save Money?

Baicker, Katherine, and Amitabh Chandra. "Can Prevention Save Money?" JAMA Health Forum 6.4 (April 3, 2025): e251464.

“When” Versus “Whether” Gender/Sex Differences: Insights From Psychological Research on Negotiation, Risk-Taking, and Leadership

Bowles, Hannah Riley, Jens Mazei, and Heidi H. Liu. "“When” Versus “Whether” Gender/Sex Differences: Insights From Psychological Research on Negotiation, Risk-Taking, and Leadership." Perspectives on Psychological Science (March 18, 2024).

The Democratic Necessity of Reckoning

Chenoweth, Erica. "The Democratic Necessity of Reckoning." The Review of Politics 86.2 (Spring 2024): 238-241.

Biopharma Venture Capital And The Inflation Reduction Act

Vogel, Matthew, Rena M. Conti, and Amitabh Chandra. "Biopharma Venture Capital And The Inflation Reduction Act." Health Affairs Forefront (March 5, 2024).

Cognitive Symptoms of Post–COVID-19 Condition and Daily Functioning

Jaywant, Abhishek, Faith M. Gunning, Lauren E. Oberlin, Mauricio Santillana, Katherine Ognyanova, James N. Druckman, Matthew A. Baum, David Lazer, and Roy H. Perlis. "Cognitive Symptoms of Post–COVID-19 Condition and Daily Functioning." JAMA Network Open 7.2 (February 2024): e2356098.

Investing in Long-Term Health

Baicker, Katherine, and Amitabh Chandra. "Investing in Long-Term Health." JAMA Forum 5.2 (February 2024): e240193.

Are many sex/gender differences really power differences?

Galinsky, Adam D., Aurora Turek, Grusha Agarwal, Eric M. Anicich, Derek D. Rucker, Hannah R. Bowles, Nira Liberman, Chloe Levin, and Joe C. Magee. "Are many sex/gender differences really power differences?" PNAS Nexus 3.2 (February 2024): pgae025.

Experimental Evidence on the Effectiveness of Nonexperts for Improving Vaccine Demand

Alsan, Marcella, and Sarah Eichmeyer. "Experimental Evidence on the Effectiveness of Nonexperts for Improving Vaccine Demand." American Economic Journal: Economic Policy 16.1 (February 2024): 394-414.

Medicare price negotiation and pharmaceutical innovation following the Inflation Reduction Act

Vogel, Matthew, Pragya Kakani, Amitabh Chandra, and Rena M. Conti. "Medicare price negotiation and pharmaceutical innovation following the Inflation Reduction Act." Nature Biotechnology (31 January 2024).

“Things fall apart, the center cannot hold”: fractionalized and polarized party systems in Western democracies

Norris, Pippa. "“Things fall apart, the center cannot hold”: fractionalized and polarized party systems in Western democracies." European Political Science (31 January 2024).

On the design of effective sanctions: the case of bans on exports to russia

Hausmann, Ricardo, Ulrich Schetter, and Muhammed A. Yildirim. "On the design of effective sanctions: the case of bans on exports to russia." Economic Policy (22 January 2024).

Big Little Election Lies: Cynical and Credulous Evaluations of Electoral Fraud

Norris, Pippa. "Big Little Election Lies: Cynical and Credulous Evaluations of Electoral Fraud." Parliamentary Affairs 77.1 (January 2024): 1-24.

Effects of a US Supreme Court ruling to restrict abortion rights

Clark, Chelsey S., Elizabeth Levy Paluck, Sean J. Westwood, Maya Sen, Neil Malhotra, and Stephen Jessee. "Effects of a US Supreme Court ruling to restrict abortion rights." Nature Human Behaviour 8.1 (January 2024): 63-71.

Adoption of Internal Medicine Milestone Ratings and Changes in Bias Against Black, Latino, and Asian Internal Medicine Residents

Gray, Bradley M., Rebecca S. Lipner, Robert O. Roswell, Alicia Fernandez, Jonathan L Vandergrift, and Marcella Alsan. "Adoption of Internal Medicine Milestone Ratings and Changes in Bias Against Black, Latino, and Asian Internal Medicine Residents." Annals of Internal Medicine (January 2024): 70-82.

Adoption of Internal Medicine Milestone Ratings and Changes in Bias Against Black, Latino, and Asian Internal Medicine Residents

Gray, Bradley M., Rebecca S. Lipner, Robert O. Roswell, Alicia Fernandez, Jonathan L. Vandergrift, and Marcella Alsan. "Adoption of Internal Medicine Milestone Ratings and Changes in Bias Against Black, Latino, and Asian Internal Medicine Residents." Annals of Internal Medicine (December 26, 2023).

Effect of an Intensive Food-as-Medicine Program on Health and Health Care Use: A Randomized Clinical Trial

Doyle, Joseph, Marcella Alsan, Nicholas Skelley, Yutong Lu, and John Cawley. "Effect of an Intensive Food-as-Medicine Program on Health and Health Care Use: A Randomized Clinical Trial." JAMA Internal Medicine (December 26, 2023).

Bottlenecks for Evidence Adoption

DellaVigna, Stefano, Woojin Kim, and Elizabeth Linos. "Bottlenecks for Evidence Adoption." Journal of Political Economy (December 22, 2023).

The deepest foundation of our democratic crisis

Mansbridge, Jane. "The deepest foundation of our democratic crisis." International Political Science Review (December 21, 2023).

Designing a public transit network: Evidence from Jakarta, Indonesia

Gaduh, Arya, Tilman Graff, Rema Hanna, Gabriel Kreindler, and Benjamin Olken. "Designing a public transit network: Evidence from Jakarta, Indonesia." VoxDev (December 6, 2023).

Cost of Exempting Sole Orphan Drugs From Medicare Negotiation

Vogel, Matthew, Olivia Zhao, William B. Feldman, Amitabh Chandra, Aaron S. Kesselheim, and Benjamin N. Rome. "Cost of Exempting Sole Orphan Drugs From Medicare Negotiation." JAMA Internal Medicine (November 27, 2023).

The formality effect

Linos, Elizabeth, Jessica Lasky-Fink, Chris Larkin, Lindsay Moore, and Elspeth Kirkman. "The formality effect." Nature Human Behavior (23 November 2023).

'Rally around the flag' effects in the Russian–Ukrainian war

Kizilova, Kseniya, and Pippa Norris. "'Rally around the flag' effects in the Russian–Ukrainian war." European Political Science (2023).

Civil Liberties in Times of Crisis

Alsan, Marcella, Luca Braghieri, Sarah Eichmeyer, Minjeong Joyce Kim, Stefanie Stantcheva, and David Y. Yang. "Civil Liberties in Times of Crisis." American Economic Journal: Applied Economics 15.4 (October 2023): 389-421.

Improving delivery of the social safety net: The role of stigma

Lasky-Fink, Jessica, and Elizabeth Linos. "Improving delivery of the social safety net: The role of stigma." Journal of Public Administration Research and Theory (September 22, 2023).

Community Mobility and Depressive Symptoms During the COVID-19 Pandemic in the United States

Perlis, Roy H., Kristin Lunz Trujillo, Alauna Safarpour, Alexi Quintana, Matthew D. Simonson, Jasper Perlis, Mauricio Santillana, Katherine Ognyanova, Matthew A. Baum, James N. Druckman, and David Lazer. "Community Mobility and Depressive Symptoms During the COVID-19 Pandemic in the United States." JAMA Network Open 6.9 (September 27, 2023).

What Does the Inflation Reduction Act Mean for Patients and Physicians?

Chandra, Amitabh, and Benedic Ippolito. "What Does the Inflation Reduction Act Mean for Patients and Physicians?" NEJM Catalyst Innovations in Care Delivery 4.10 (September 20, 2023).

The Political Consequences of Depression: How Conspiracy Beliefs, Participatory Inclinations, and Depression Affect Support for Political Violence

Baum, Matthew A., James N. Druckman, Matthew D. Simonson, Jennifer Lin, and Roy H. Perlis. "The Political Consequences of Depression: How Conspiracy Beliefs, Participatory Inclinations, and Depression Affect Support for Political Violence." American Journal of Political Science (September 11, 2023): 1-20.

A 50-state survey study of thoughts of suicide and social isolation among older adults in the United States

Solomonov, Nili, Jon Green, Alexi Quintana, Jennifer Lin, Katherine Ognyanova, Mauricio Santillana, James N. Druckman, Matthew A. Baum, David Lazer, Faith M. Gunning, and Roy H. Perlis. "A 50-state survey study of thoughts of suicide and social isolation among older adults in the United States." Journal of Affective Disorders 334 (1 August 2023): 43-49.

Mark Warren: Between Realism and Aspiration—Democracy for the Twenty-First Century

Mansbridge, Jane, André Bächtiger, Dario Castiglione, Lisa Disch, John Gastil, Mark Brown, Simone Chambers, Rainer Forst, and Alfred Moore. "Mark Warren: Between Realism and Aspiration—Democracy for the Twenty-First Century." Political Science Today 3.3 (August 2023): 24-31.

Cross-Boundary Collaborations in Cities: Where to Start

de Jong, Jorrit, Eva Flavia MartĂ­nez Orbegozo, Lisa Cox, Hannah Riley Bowles, Amy C. Edmondson, and Anahide Nahhal. "Cross-Boundary Collaborations in Cities: Where to Start." Stanford Social Innovation Review (July 6, 2023).

Two-Stage Examinations: Can Examinations Be More Formative Experiences?

Levy, Dan, Theodore Svoronos, and Mae Klinger. "Two-Stage Examinations: Can Examinations Be More Formative Experiences?" Active Learning in Higher Education 24.2 (July 2023): 79-94.