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

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.

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.

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.

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.

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.

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.

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.

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).

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).

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.

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.

Bandwagon and Underdog Effects in the 2008 Presidential Primary Campaign: A Survey Experiment

Baum, Matthew A., and Marion Just. "Bandwagon and Underdog Effects in the 2008 Presidential Primary Campaign: A Survey Experiment." Paper presented at the 2009 meeting of the American Political Science Association, September 4, 2009.

Coalition of the Unrestrained: Mass Media, Electoral Institutions, and the Constraining Effect of Global Opinion Regarding Iraq

Baum, Matthew A. "Coalition of the Unrestrained: Mass Media, Electoral Institutions, and the Constraining Effect of Global Opinion Regarding Iraq." Paper for International Studies Association Annual Meeting, San Francisco, March 26-29, 2008.

Reality Asserts Itself: Public Opinion on Iraq and the Elasticity of Reality

Baum, Matthew A. "Reality Asserts Itself: Public Opinion on Iraq and the Elasticity of Reality." Conference Paper for the annual meeting of the American Political Science Association, August 28-31, 2008.

Iraq and the 'Fox Effect': An Examination of Polarizing Media and Public Support for International Conflict.

Baum, Matthew A., and Tim Groeling. "Iraq and the 'Fox Effect': An Examination of Polarizing Media and Public Support for International Conflict." American Political Science Association Annual Conference, 2007.

Rallying 'Round the Party: An Experimental Examination of Party Cues and Public Opinion.

Baum, Matthew A., and Tim Groeling. "Rallying 'Round the Party: An Experimental Examination of Party Cues and Public Opinion." American Political Science Association Annual Conference, 2006.

Getting the Message: Information Transparency and the Domestic Policies of Militarized Disputes.

Baum, Matthew A. "Getting the Message: Information Transparency and the Domestic Policies of Militarized Disputes." American Political Science Association Annual Conference, 2006.

Political Scandal, Gender, and Tabloid News: An Experimental Examination of Consumer Preferences for Scandalous News.

Baum, Matthew A., Tim Groeling, and Martie Haselton. "Political Scandal, Gender, and Tabloid News: An Experimental Examination of Consumer Preferences for Scandalous News." American Political Science Association Annual Conference, 2006.

The New Soft Politics: How Soft News Brings Foreign Policy to the Masses, and Why it Matters.

Baum, Matthew A. "The New Soft Politics: How Soft News Brings Foreign Policy to the Masses, and Why it Matters." American Political Science Association Annual Conference, 2006.