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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.

Asking about Complex Policies

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

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.