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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

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.

To ride-hail or not to ride-hail? Complementarity and competition between public transit and transportation network companies through the lens of app data

O’Brien, Daniel T., Hengfang Deng, Edgar Castro, Sage Gibbons, Justin de Benedictis-Kessner, and Ryan Qi Wang. "To ride-hail or not to ride-hail? Complementarity and competition between public transit and transportation network companies through the lens of app data." Public Transport (2024).

How the Identity of Substance Users Shapes Public Opinion on Opioid Policy

de Benedictis Kessner, Justin, and Michael Hankinson. "How the Identity of Substance Users Shapes Public Opinion on Opioid Policy." Political Behavior 46.1 (March 2024): 609-629.

American local government elections database

de Benedictis-Kessner, Justin, Diana Da In Lee, Yamil R. Velez, and Christopher Warshaw. "American local government elections database." Scientific Data 10 (December 19, 2023).

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.

Driving turnout: the effect of car ownership on electoral participation

de Benedictis Kessner, Justin, and Maxwell Palmer. "Driving turnout: the effect of car ownership on electoral participation." Political Science Research and Methods 11.3 (July 2023): 654-662.

How the Identity of Substance Users Shapes Public Opinion on Opioid Policy

de Benedictis Kessner, Justin and Michael Hankinson. "How the Identity of Substance Users Shapes Public Opinion on Opioid Policy." Political Behavior (2022).

A multisource database tracking the impact of the COVID-19 pandemic on the communities of Boston, MA, USA

Ristea, Alina, Riley Tucker, Shunan You, Mehrnaz Amiri, Nicholas Beauchamp, Edgar Castro, Qiliang Chen, Alexandra Ciomek, Bidisha Das, Justin de Benedictis-Kessner, Sage Gibbons, Forrest Hangen, Barrett Montgomery, Petros Papadopoulos, Cordula Robinson, Saina Sheini, Michael Shields, Xin Shu, Michael Wood, Babak Heydari, and Dan O’Brien. "A multisource database tracking the impact of the COVID-19 pandemic on the communities of Boston, MA, USA." Scientific Data 9.1 (June 20, 2022): 330.

Men and Women Candidates Are Similarly Persistent After Losing Elections

Bernhard, Rachel, and Justin de Benedictis Kessner. "Men and Women Candidates Are Similarly Persistent After Losing Elections." Proceedings of the National Academy of Sciences 118.26 (June 29, 2021).

Strategic Partisans: Electoral Motivations and Partisanship in Local Government Communication

de Benedictis Kessner, Justin. "Strategic Partisans: Electoral Motivations and Partisanship in Local Government Communication." Journal of Political Institutions and Political Economy 2.2 (June 2021): 227-248.

Strategic Government Communication About Performance

de Benedictis Kessner, Justin. "Strategic Government Communication About Performance." Political Science Research and Methods (March 2021).

Accountability for the Economy at All Levels of Government in United States Elections

de Benedictis-Kessner, Justin, and Christopher Warshaw. "Accountability for the Economy at All Levels of Government in United States Elections." American Political Science Review 114.3 (August 2020): 660-676.

Politics in Forgotten Governments: The Partisan Composition of County Legislatures and County Fiscal Policies

de Benedictis-Kessner, Justin, and Christopher Warshaw. "Politics in Forgotten Governments: The Partisan Composition of County Legislatures and County Fiscal Policies." Journal of Politics 82.2 (April 2020): 460-475.

The Effect of Associative Racial Cues in Elections

Berinsky, Adam J., Justin de Benedictis-Kessner, Megan E. Goldberg, and Michele F. Margolis. "The Effect of Associative Racial Cues in Elections." Political Communication 37.4 (March 2020): 512-529.

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.

Concentrated Burdens: How Self-Interest and Partisanship Shape Opinion on Opioid Treatment Policy

de Benedictis-Kessner, Justin, and Michael Hankinson. "Concentrated Burdens: How Self-Interest and Partisanship Shape Opinion on Opioid Treatment Policy." American Political Science Review 113.4 (November 2019): 1078-1084.

How Attribution Inhibits Accountability: Evidence from Train Delays

de Benedictis-Kessner, Justin. "How Attribution Inhibits Accountability: Evidence from Train Delays." The Journal of Politics 80.4 (October 2018): 1417-1422.

Off-Cycle and Out of Office: Election Timing and the Incumbency Advantage

de Benedictis-Kessner, Justin. "Off-Cycle and Out of Office: Election Timing and the Incumbency Advantage." The Journal of Politics 80.1 (January 2018): 119-132.