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Crowd of Black Lives Matters demonstrators marching in the street.
Feature: The Democratic Necessity of Reckoning

Erica Chenoweth reviews scholarship that overwhelmingly shows the Black Lives Matter movement generated high levels of public awareness about systemic racism and increased support for criminal justice reform.

Electronic stock ticker board with numbers and arabic letters.
Feature: Against Rule-of-Thumb Economics

Dani Rodrik argues against neoliberalism’s universal rule-of-thumb approach and for economic analyses grounded in contextual dependencies.

Several hands of team members covering one another in a huddle above a work table.
Feature: Leaders’ Psychological Bravery

Dana Born explores what skills leaders need to cultivate psychological safety on their teams and across their organizations.

Dollars and Euros piled on top of one another.
Feature: Dollar vs. Euro as International Reserve Currencies

Jeffrey Frankel explores the strengths and weaknesses of using the Dollar and the Euro as international reserve currencies.

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

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.

Media Measurement Matters: Estimating the Persuasive Effects of Partisan Media with Survey and Behavioral Data

Wittenberg, Chloe, Matthew A. Baum, Adam J. Berinsky, Justin de Benedictis-Kessner, and Teppei Yamamoto. "Media Measurement Matters: Estimating the Persuasive Effects of Partisan Media with Survey and Behavioral Data." The Journal of Politics 85.4 (October 2023): 1275-1290.

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).

Algorithmic recommendations have limited effects on polarization: A naturalistic experiment on YouTube

Liu, Naijia, Matthew A. Baum, Adam J. Berinsky, Allison J.B. Chaney, Justin de Benedictis-Kessner, Andy Guess, Dean Knox, Christopher Lucas, Rachel Mariman, and Brandon M. Stewart. "Algorithmic recommendations have limited effects on polarization: A naturalistic experiment on YouTube." September 18, 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.

Severe Depressive Symptoms Exacerbate the Relationship Between Conspiracy Beliefs and Voting for Election Doubters

Baum, Matthew A., James Druckman, Katherine Ognyanova, and Jonathan Schulman. "Severe Depressive Symptoms Exacerbate the Relationship Between Conspiracy Beliefs and Voting for Election Doubters." IPR Working Paper Series, June 12, 2023.

Media use and vaccine resistance

Green, Jon, James N. Druckman, Matthew A. Baum, Katherine Ognyanova, Matthew D. Simonson, Roy H. Perlis, and David Lazer. "Media use and vaccine resistance." PNAS Nexus 2.5 (May 2023): pgad146.

Depressive symptoms and conspiracy beliefs

Green, Jon, James N. Druckman, Matthew A. Baum, David Lazer, Katherine Ognyanova, and Roy H. Perlis. "Depressive symptoms and conspiracy beliefs." Applied Cognitive Psychology 37.2 (March 2023): 247-264.

Using General Messages to Persuade on a Politicized Scientific Issue

Green, Jon, James N. Druckman, Matthew A. Baum, David Lazer, Katherine Ognyanova, Matthew Simsonson, Jennifer Lin, Mauricio Santillana, and Roy H. Perlis. "Using General Messages to Persuade on a Politicized Scientific Issue." British Journal of Political Science 1-9 (2022).

Pandemic, Governors, and Public Opinion: The Effect of COVID-19 Cases and Deaths on Public Support for America’s Governors

Safarpour, Alauna, and Matthew Baum. "Pandemic, Governors, and Public Opinion: The Effect of COVID-19 Cases and Deaths on Public Support for America’s Governors." October 13, 2022.

Media Measurement Matters: Estimating the Persuasive Effects of Partisan Media with Survey and Behavioral Data

Wittenberg, Chloe, Matthew A. Baum, Adam J. Berinsky, Justin de Benedictis-Kessner, and Teppei Yamamoto. "Media Measurement Matters: Estimating the Persuasive Effects of Partisan Media with Survey and Behavioral Data." September 26, 2022.

4 reasons why abortion laws often clash with the majority's preferences in the US, from constitutional design to low voter turnout

Baum, Matthew A., Alauna Safarpour, and Kristin Lunz Trujillo. "4 reasons why abortion laws often clash with the majority's preferences in the US, from constitutional design to low voter turnout." The Conversation, August 25, 2022.

Kansas vote for abortion rights highlights disconnect between majority opinion on abortion laws and restrictive state laws being passed after Supreme Court decision

Baum, Matthew A., Alauna Safarpour, and Kristin Lunz Trujillo. "Kansas vote for abortion rights highlights disconnect between majority opinion on abortion laws and restrictive state laws being passed after Supreme Court decision." The Conversation. July 25, 2022.

Sensitive Questions, Spillover Effects, and Asking about Citizenship on the US Census

Baum, Matthew A., Bryce J. Dietrich, and Rebecca Goldstein, and Maya Sen. "Sensitive Questions, Spillover Effects, and Asking about Citizenship on the US Census." The Journal of Politics 84.3 (July 2022): 1869-1873.

Depressive Symptoms and Conspiracy Beliefs

Green, Jon, James Druckman, Matthew Baum, David Lazer, Katherine Ognyanova, and Roy Perlis. "Depressive Symptoms and Conspiracy Beliefs." Institute for Policy Research Working Paper Series, Northwestern University, June 17, 2022.

Survey: Americans love conspiracy theories, and that’s dangerous for everyone

Baum, Matthew A., and Katherine Ognyanova. "Survey: Americans love conspiracy theories, and that’s dangerous for everyone." Bulletin of the Atomic Scientists. May 11, 2022.

Social Debunking of Misinformation on WhatsApp: The Case for Strong and In-group Ties

Pasquetto, Irene V., Eaman Jahani, Shubham Atreja, and Matthew Baum. "Social Debunking of Misinformation on WhatsApp: The Case for Strong and In-group Ties." Proceedings of the ACM on Human-Computer Interaction Volume 6.CSCW1 (April 2022): 1-35.

Prevalence of Firearm Ownership Among Individuals With Major Depressive Symptoms

Perlis, Roy H., Matthew D. Simonson, Jon Green, Jennifer Lin, Alauna Safarpour, Kristin Lunz Trujillo, Alexi Quintana, Hanyu Chwe, John Della Volpe, Katherine Ognyanova, Mauricio Santillana, James Druckman, David Lazer, and Matthew A. Baum. "Prevalence of Firearm Ownership Among Individuals With Major Depressive Symptoms." JAMA Netw Open 5.3 (March 21, 2022): 1-13.

Evaluating the generalizability of the COVID States survey — a large-scale, non-probability survey

Radford, Jason, Jon Green, Alexi Quintana, Alauna Safarpour, Matthew D Simonson, Matthew Baum, David Lazer, Katherine Ognyanova, James Druckman, Roy Perlis, Mauricio Santillana, and John Della Volpe. "Evaluating the generalizability of the COVID States survey — a large-scale, non-probability survey." March 7, 2022.

Association of Major Depressive Symptoms With Endorsement of COVID-19 Vaccine Misinformation Among US Adults

Perlis, Roy H., Katherine Ognyanova, Mauricio Santillana, Jennifer Lin, James Druckman, David Lazer, Jon Green, Matthew Simonson, Matthew A. Baum, and John Della Volpe. "Association of Major Depressive Symptoms With Endorsement of COVID-19 Vaccine Misinformation Among US Adults." JAMA Network Open 5.1 (January 21, 2022): 1-12.

The COVID States Project #78: American mask use and CDC guidance

Safarpour, Alauna, Alexi Quintana, David Lazer, Roy Perlis, Matthew Baum, Katherine Ognyanova, Anjuli Shere, et al. "The COVID States Project #78: American mask use and CDC guidance." The COVID-19 Consortium for Understanding the Public's Policy Preferences Across States, January 15, 2022.

The COVID States Project #77: Healthcare workers' perception of COVID-19 misinformation

Trujillo, Kristin L., Matthew Baum, David Lazer, Katherine Ognyanova, James Druckman, Roy Perlis, Mauricio Santillana, et al. "The COVID States Project #77: Healthcare workers' perception of COVID-19 misinformation." The COVID-19 Consortium for Understanding the Public's Policy Preferences Across States, January 13, 2022.

The Political Consequences of Depression: How Conspiracy Beliefs, Self-Efficacy, and Depression Affect Support for Political Violence

Baum, Matthew, James Druckman, Matthew Simonson, Jennifer Lin, and Roy Perlis. "The Political Consequences of Depression: How Conspiracy Beliefs, Self-Efficacy, and Depression Affect Support for Political Violence." Institute for Policy Research Working Paper Series, Northwestern University, 2022.

Association Between Social Media Use and Self-reported Symptoms of Depression in US Adults

Perlis, Roy H., Jon Green, Matthew Simonson, Katherine Ognyanova, Mauricio Santillana, Jennifer Lin, Alexi Quintana, Hanyu Chwe, James Druckman, David Lazer, Matthew A. Baum and John Della Volpe. "Association Between Social Media Use and Self-reported Symptoms of Depression in US Adults." JAMA Network Open 4.11 (November 2021).

Gender-specificity of resilience in major depressive disorder

Perlis, Roy H., Katherine Ognyanova, Alexi Quintana, Jon Green, Mauricio Santillana, Jennifer Lin, James Druckman, David Lazer, Matthew Simonson, Matthew A. Baum, and Hanyu Chwe. "Gender-specificity of resilience in major depressive disorder." Depression & Anxiety 38.10 (October 2021): 1026-1033.

What I Saw on the Road to Insurrection: Internal Political Efficacy, Conspiracy Beliefs and the Effect of Depression on Support for the January 6th Storming of the Capitol

Baum, Matthew A., James Druckman, Matthew D Simonson, Jennifer Lin, and Roy Perlis. "What I Saw on the Road to Insurrection: Internal Political Efficacy, Conspiracy Beliefs and the Effect of Depression on Support for the January 6th Storming of the Capitol." July 2021.

Factors Associated With Self-reported Symptoms of Depression Among Adults With and Without a Previous COVID-19 Diagnosis

Perlis, Roy H., Jon Green, Katherine Ognyanova, Mauricio Santillana, James Druckman, David Lazer, and Matthew A. Baum. "Factors Associated With Self-reported Symptoms of Depression Among Adults With and Without a Previous COVID-19 Diagnosis." JAMA Network Open 4.6 (June 2021).

The role of race, religion, and partisanship in misperceptions about COVID-19

Druckman, James N., Katherine Ognyanova, Matthew A. Baum, David Lazer, Roy H. Perlis, John Della Volpe, Mauricio Santillana, Hanyu Chwe, Alexi Quintana, and Matthew Simonson. "The role of race, religion, and partisanship in misperceptions about COVID-19." Group Processes & Intergroup Relations 24.4 (June 2021): 638-657.

The Role of Race, Religion, and Partisanship in Misperceptions About COVID-19

Druckman, James N., Katherine Ognyanova, Matthew A. Baum, David Lazer, Roy H. Perlis, John Della Volpe, Mauricio Santillana, Hanyu Chwe, Alexi Quintana, and Matthew Simonson. "The Role of Race, Religion, and Partisanship in Misperceptions About COVID-19." Group Processes & Intergroup Relations (May 2021).

The COVID States Project #54: Mental health in the United States

Baum, Matthew A., Roy Perlis, Jon Green, Matthew D Simonson, David Lazer, Katherine Ognyanova, Hanyu Chwe, James Druckman, Mauricio Santillana, Jennifer Lin, Ata Uslu, and Alexi Quintana. "The COVID States Project #54: Mental health in the United States." May 2021.

Comparison of post-COVID depression and major depressive disorder

Perlis, Roy H., Mauricio Santillana, Katherine Ognyanova, Jon Green, James Druckman, David Lazer, and Matthew A. Baum. "Comparison of post-COVID depression and major depressive disorder." MedRxiv (2021).

Association of Acute Symptoms of COVID-19 and Symptoms of Depression in Adults

Perlis, Roy H., Katherine Ognyanova, Mauricio Santillana, Matthew A. Baum, David Lazer, James Druckman, and John Della Volpe. "Association of acute symptoms of COVID-19 and symptoms of depression in adults." JAMA network open 4, no. 3 (2021): e213223-e213223.

Persistence of symptoms up to 10 months following acute COVID-19 illness

Perlis, Roy H., Jon Green, Mauricio Santillana, David Lazer, Katherine Ognyanova, Matthew Simonson, Matthew A. Baum et al. "Persistence of symptoms up to 10 months following acute COVID-19 illness." MedRxiv (2021).

vMOBilize: Gamifying Civic Learning and Political Engagement in a Classroom Context

Baum, Matthew A., Dannagal G. Young, and Duncan Prettyman. "vMOBilize: Gamifying Civic Learning and Political Engagement in a Classroom Context." Journal of Political Science Education (January 2021).

Understanding Misinformation on Mobile Instant Messengers (MIMs) in Developing Countries

Pasquetto, Irene V., Eaman Jahani, Alla Baranovsky, and Matthew A. Baum. "Understanding Misinformation on Mobile Instant Messengers (MIMs) in Developing Countries." May 2020.

(Sex) Crime and Punishment in the #MeToo Era: How the Public Views Rape

Schwarz, Susanne, Matthew A. Baum, and Dara Kay Cohen. "(Sex) Crime and Punishment in the #MeToo Era: How the Public Views Rape." Political Behavior (May 2020).

Persuading the Enemy: Estimating the Persuasive Effects of Partisan Media with the Preference-Incorporating Choice and Assignment Design

De Benedictis-Kessner, Justin, Matthew A. Baum, Adam J. Berinsky, and Teppei Yamamoto. "Persuading the Enemy: Estimating the Persuasive Effects of Partisan Media with the Preference-Incorporating Choice and Assignment Design." American Political Science Review 113.4 (November 2019): 902-916.

Design, Identification, and Sensitivity Analysis for Patient Preference Trials

Knox, Dean, Teppei Yamamoto, Matthew A. Baum, and Adam J. Berinsky. "Design, Identification, and Sensitivity Analysis for Patient Preference Trials." Journal of the American Statistical Association 114.528 (October 2019): 1532-1546.

Polarization and Media Usage: Disentangling Causality

de Benedictis-Kessner, Justin, Matthew A. Baum, and Adam J. Berinsky. "Polarization and Media Usage: Disentangling Causality." The Oxford Handbook of Electoral Persuasion. Oxford University Press, 2019.

vMOBilize: Gamifying Civic Learning and Political Engagement in a Classroom Context

Young, Dannagal G., Matthew A. Baum, and Duncan Prettyman. "vMOBilize: Gamifying Civic Learning and Political Engagement in a Classroom Context." Journal of Political Science Education (May 2019): 1-23.

Estimating the Effect of Asking About Citizenship on the US Census: Results from a Randomized Controlled Trial

Baum, Matthew A., Bryce J. Dietrich, Rebecca Goldstein, and Maya Sen. "Estimating the Effect of Asking About Citizenship on the US Census: Results from a Randomized Controlled Trial." HKS Faculty Research Working Paper Series RWP19-015, April 2019.

The Way Kavanaugh’s Supporters Are Talking About Sexual Assault Allegations Can Be Dangerous, Our New Study Finds

Baum, Matthew A., Dara Kay Cohen, Susanne Schwarz, and Yuri Zhukov. "The Way Kavanaugh’s Supporters Are Talking About Sexual Assault Allegations Can Be Dangerous, Our New Study Finds." The Washington Post: The Monkey Cage, September 27, 2018.

Does Rape Culture Predict Rape? Evidence from U.S. Newspapers, 2000–2013

Baum, Matthew A., Dara Kay Cohen, and Yuri M. Zhukov. "Does Rape Culture Predict Rape? Evidence from U.S. Newspapers, 2000–2013." Quarterly Journal of Political Science 13.3 (September 2018): 263-289.

The Science of Fake News

Lazer, David M.J., Matthew A. Baum, Yochai Benkler, Adam J. Berinsky, Kelly M. Greenhill, Filippo Menczer, Miriam J. Metzger, Brendan Nyhan, Gordon Pennycook, David Rothschild, Michael Schudson, Steven A. Sloman, Cass R. Sunstein, Emily A. Thorson, Duncan J. Watts, and Jonathan L. Zittrain. "The Science of Fake News." Science 359.6380 (March 2018): 1094-1096.

Report on Network Sunday Morning Talk Show Content and Ratings, Comparing 1983, 1999, and 2015

Baum, Matthew A. "Report on Network Sunday Morning Talk Show Content and Ratings, Comparing 1983, 1999, and 2015." HKS Faculty Research Working Paper Series RWP17-041, September 2017.

Combating Fake News: An Agenda for Research and Action

Mele, Nicco, David Lazer, Matthew Baum, Nir Grinberg, Lisa Friedland, Kenneth Joseph, Will Hobbs, and Carolina Mattsson. "Combating Fake News: An Agenda for Research and Action." May 2017.

Reporting Bias and Information Warfare

Baum, Matthew A. "Reporting Bias and Information Warfare." International Studies Association Annual Convention, March 2016.

The Longest War Story: Elite Rhetoric, News Coverage, and The U.S. War in Afghanistan

Groeling, Tim, and Matthew A. Baum. "The Longest War Story: Elite Rhetoric, News Coverage, and The U.S. War in Afghanistan." Strategic Narratives, Public Opinion, and War: Winning Domestic Support for the Afghan War. Ed. Beatrice de Graaf, George Dimitriu, and Jens Ringsmose. Routledge, 2015.

No One Talks about Democratization Anymore. Is There a Better Policy?

Baum, Matthew A., and Philip B.K. Potter. "No One Talks about Democratization Anymore. Is There a Better Policy?" Monkey Cage (Washington Post.com), July 5, 2015.