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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

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.

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.

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.

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.

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.

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.

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).

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.

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.

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.

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.

War and Democratic Constraint: How the Public Influences Foreign Policy

Baum, Matthew A., and Philip B.K. Potter. War and Democratic Constraint: How the Public Influences Foreign Policy. Princeton University Press, 2015.

Where You Stand Depends on Where You Sit...While Reading the Paper: Reporting Bias in Democracies and Autocracies

Baum, Matthew A., and Yuri M. Zhukov. "Where You Stand Depends on Where You Sit...While Reading the Paper: Reporting Bias in Democracies and Autocracies." Political Communication Report, 25.1, April 2015.

Filtering Revolution: Reporting Bias in International Newspaper Coverage of the Libyan Civil War

Baum, Matthew A., and Yuri M. Zhukov. "Filtering Revolution: Reporting Bias in International Newspaper Coverage of the Libyan Civil War." Journal of Peace Research (February 2015): 1-17.

Information, Popular
Constraint, and the Democratic
Peace

Philip B. K. Potter, and Matthew A. Baum. "Information, Popular Constraint, and the Democratic Peace." HKS Faculty Research Working Paper Series RWP14-015, March 2014.

Looking for Audience Costs in all the Wrong Places: Electoral Institutions, Media Access, and Democratic Constraint

Potter, Philip B.K., and Matthew A. Baum. "Looking for Audience Costs in all the Wrong Places: Electoral Institutions, Media Access, and Democratic Constraint." The Journal of Politics 76.1 (January 2014): 167-181.

Partisan News Before Fox: Newspaper Partisanship and Partisan Polarization, 1881-
1972

Groeling, Tim, and Matthew Baum. "Partisan News Before Fox: Newspaper Partisanship and Partisan Polarization, 1881- 1972." HKS Faculty Research Working Paper Series RWP13-035, September 2013.

The Iraq Coalition of the Willing and (Politically) Able: Party Systems, the Press, and Public Influence on Foreign Policy

Baum, Matthew A. "The Iraq Coalition of the Willing and (Politically) Able: Party Systems, the Press, and Public Influence on Foreign Policy." American Journal of Political Science 57.2 (April 2013): 442-458.

The Iraq Coalition of the Willing and (Politically) Able: Party Systems, the Press, and Public Influence on Foreign Policy

Baum, Matthew A. "The Iraq Coalition of the Willing and (Politically) Able: Party Systems, the Press, and Public Influence on Foreign Policy." American Journal of Political Science (published online, November 28, 2012).

Partisan Media and Attitude Polarization: The Case of Healthcare Reform

Baum, Matthew A. "Partisan Media and Attitude Polarization: The Case of Healthcare Reform." Regulatory Breakdown The Crisis of Confidence in U.S. Regulation. Ed. Cary Coglianese. University of Pennsylvania Press, 2012, 118-142.

Preaching to the Choir or Converting the Flock: Presidential Communication Strategies in
the Age of Three Medias.

Baum, Matthew A. "Preaching to the Choir or Converting the Flock: Presidential Communication Strategies in the Age of Three Medias." iPolitics: Citizens, Elections, and Governing in the New Media Age. Ed. Richard Fox and Jennifer M. Ramos. Cambridge University Press, 2012, 183-205.

Red State, Blue State, Flu State: Media Self-Selection and Partisan Gaps in Swine Flu Vaccinations

Baum, Matthew A. "Red State, Blue State, Flu State: Media Self-Selection and Partisan Gaps in Swine Flu Vaccinations." Journal of Health Politics 36.6 (December 2011): 1021-1059.

Media, Public Opinion, and Presidential Leadership

Baum, Matthew A. "Media, Public Opinion, and Presidential Leadership." New Directions in Public Opinion. Ed. Adam Berinsky. Routledge, 2011, 258-270.

Soft News and The Four Oprah Effects

Baum, Matthew A., and Angela Jamison. "Soft News and The Four Oprah Effects." Oxford Handbook of American Public Opinion and the Media. Ed. George C. Edwards, Lawrence R. Jacobs, and Robert Y. Shapiro. Oxford University Press, 2011, 121-137.

Red, Blue, and the Flu: Media Self-Selection and Partisan Gaps in Swine Flu Vaccinations

Baum, Matthew A. "Red, Blue, and the Flu: Media Self-Selection and Partisan Gaps in Swine Flu Vaccinations." HKS Faculty Research Working Paper Series RWP11-010, January 2011.

Democratic Peace, Domestic Audience Costs, and Political Communication

Potter, Philip B. K., and Matthew A. Baum. "Democratic Peace, Domestic Audience Costs, and Political Communication." Political Communication 27.4 (October-December 2010): 453-470.

Trust and Perception: Powerful Factors in Assessing News About War

Baum, Matthew A. "Trust and Perception: Powerful Factors in Assessing News About War." Nieman Reports. Fall 2010, 71-72.

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." International Organization 64.3 (2010): 443-479.

War Stories: The Causes and Consequences of Public Views of War

Baum, Matthew A., and Tim J. Groeling. War Stories: The Causes and Consequences of Public Views of War. Princeton University Press, 2010.

Journalists’ Incentives and Media Coverage of Elite Foreign Policy Evaluations

Groeling, Tim, and Matthew A. Baum. "Journalists’ Incentives and Media Coverage of Elite Foreign Policy Evaluations." Conflict Management and Peace Science 26.5 (November 2009): 437-470.

Foreign Policy Views and U.S Standing in the World

Baum, Matthew A., and Henry R. Nau. "Foreign Policy Views and U.S Standing in the World." HKS Faculty Research Working Paper Series RWP09-028, September 2009.

Shot by the Messenger: Partisan Cues and Public Opinion Regarding National Security and War

Baum, Matthew A. "Shot by the Messenger: Partisan Cues and Public Opinion Regarding National Security and War." Political Behavior 31.2 (June 2009): 157-186.

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.

Soft News and Foreign Policy: How Expanding the Audience Changes the Policies.

Baum, Matthew A. "Soft News and Foreign Policy: How Expanding the Audience Changes the Policies." Japanese Journal of Political Science 8.1 (April 2007): 115-145.

Hard and Soft News.

Baum, Matthew A. "Hard and Soft News." Encyclopedia of Media and Politics. Ed. Todd Schaefer and Thomas Birkland. Congressional Quarterly Press, 2006.