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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

Chelsea Eats Study: Card Spending Update

Liebman, Jeffrey, Kathryn Carlson, Eliza Novick, and Pamela Portocarrero. "Chelsea Eats Study: Card Spending Update." May 2021.

How Much Have Childcare Challenges Slowed the US Jobs Market Recovery?

Furman, Jason, Melissa Kearney, and Wilson Powell III. "How Much Have Childcare Challenges Slowed the US Jobs Market Recovery?" Peterson Institute for International Economics, May 2021.

Empirical Approaches to Identify Systemic Discrimination in Policing

Chohlas-Wood, Alex, Marissa Gerchick, Sharad Goel, Aziz Huq, Amy Shoemaker, Ravi Shroff, and Keniel Yao. "Empirical Approaches to Identify Systemic Discrimination in Policing." .

Immigration and Regional Specialization in AI

Hanson, Gordon. "Immigration and Regional Specialization in AI." vlog Faculty Research Working Paper Series RWP21-015, May 2021.

Who Will Fill China’s Shoes? The Global Evolution of Labor-Intensive Manufacturing

Hanson, Gordon. "Who Will Fill China’s Shoes? The Global Evolution of Labor-Intensive Manufacturing." vlog Faculty Research Working Paper Series RWP21-014, May 2021.

Bandit algorithms to personalize educational chatbots

Cai, William, Josh Grossman, Zhiyuan Jerry Lin, Hao Sheng, Johnny Tian-Zheng Wei, Joseph Jay Williams, and Sharad Goel. "Bandit algorithms to personalize educational chatbots." Machine Learning 110 (May 2021): 2389-2418.

How to Construct A New Global Order

Rodrik, Dani, and Stephen Walt. "How to Construct A New Global Order." vlog Faculty Research Working Paper Series RWP21-013, May 2021.

Settled enough: Climate science, skepticism, and prudence

Holdren, John P. "Settled enough: Climate science, skepticism, and prudence." The Hill, May 24, 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.

Biofuels and the Energy-Water Nexus: Perspectives for the United States

Strapasson, Alexandre, Henry Lee, and Jack Schnettler. "Biofuels and the Energy-Water Nexus: Perspectives for the United States." Bioenergy Studies Symposium, May 20-21, 2021.

Solar geoengineering can alleviate climate change pressures on crop yields

Fan, Yuanchao, Jerry Tjiputra, Helene Muri, Danica Lombardozzi, Chang-Eui Park, Shengjun Wu, and David Keith. "Solar geoengineering can alleviate climate change pressures on crop yields." Nature Food 2 (May 2021): 373–381.

For Social Business to Become the Norm, We Need to Build a Social Business Infrastructure

Battilana, Julie. "For Social Business to Become the Norm, We Need to Build a Social Business Infrastructure." Stanford Social Innovation Review (May 19, 2021).

A megastudy of text-based nudges encouraging patients to get vaccinated at an upcoming doctor’s appointment

Patel, Mitesh S., Todd Rogers, et al. "A megastudy of text-based nudges encouraging patients to get vaccinated at an upcoming doctor’s appointment." Proceedings of the National Academy of Sciences 118.20 (May 18, 2021): e2101165118.

Is Climate Change the Path to Greater US-China Cooperation?

Cunningham, Edward. "Is Climate Change the Path to Greater US-China Cooperation?" Rajawali Foundation Institute For Asia, May 18, 2021.

The Endgame of Court-Packing

Chilton, Adam, Daniel Epps, Kyle Rozema, and Maya Sen. "The Endgame of Court-Packing." SSRN (May 2021).

The accuracy, equity, and jurisprudence of criminal risk assessment

Goel, Sharad, Ravi Shroff, Jennifer Skeem, and Christopher Slobogin. "The accuracy, equity, and jurisprudence of criminal risk assessment." Research handbook on Big Data Law. Ed. Roland Vogl. Edward Elgar Publishing, 2021, 9-28.

Using Machine Learning to Demystify Startups’ Funding, Post-Money Valuation, and Success

Ang, Yu Qian, Andrew Chia, and Soroush Saghafian. "Using Machine Learning to Demystify Startups’ Funding, Post-Money Valuation, and Success." Innovative Technology at the Interface of Finance and Operations. Ed. Volodymyr Babich, John R. Birge, and Hilary Gilles. Springer, Cham, 2022, 271-296.

Using Machine Learning to Demystify Startups’ Funding, Post-Money Valuation, and Success

Ang, Yu Qian, Andrew Chia, and Soroush Saghafian. "Using Machine Learning to Demystify Startups’ Funding, Post-Money Valuation, and Success." Innovative Technology at the Interface of Finance and Operations. Ed. Volodymyr Babich, John R. Birge, and Gilles Hilary. Springer, 11 May 2021, 271-296.

Stereotypes about immigrant students and discrimination in grading

Carlana, Michela, Paolo Pinotti, and Eliana La Ferrara. "Stereotypes about immigrant students and discrimination in grading." LISER Policy Briefs, May 2021.

Blocks as geographic discontinuities: The effect of polling place assignment on voting

Tomkins, Sabina, Keniel Yao, Johann Gaebler, Tobias Konitzer, David Rothschild, Marc Meredith, and Sharad Goel. "Blocks as geographic discontinuities: The effect of polling place assignment on voting." May 2021.

Preparing for Crises: Lessons from Covid-19

Das, Jishnu, Adnan Q. Khan, Asim I. Khwaja, and Anum Malkani. "Preparing for Crises: Lessons from Covid-19." LSE Public Policy Review 1.4 (May 2021): 8.

Ten Years After: From UN Guiding Principles To Multi-Fiduciary Obligations

Ruggie, John Gerard, Caroline Rees, and Rachel Davis. "Ten Years After: From UN Guiding Principles To Multi-Fiduciary Obligations." Business and Human Rights Journal (May 2021): 1-19.

Measuring Racial Discrimination in Algorithms

Dobbie, Will, David Arnold, and Peter Hull. "Measuring Racial Discrimination in Algorithms." American Economic Review: Papers and Proceedings (May 2021).

Practice What You Preach

Shattuck, John, and Kathryn Sikkink. "Practice What You Preach." Foreign Affairs 100.3 (May/June 2021): 150-160.

Examining the Effect of Information Channel on COVID-19 Vaccine Acceptance

Piltch-Loeb, Rachael, Elena Savoia, Beth Goldberg, Brian Hughes, Tanner Verhey, Juliette Kayyem, Cynthia Miller-Idriss, and Marcia Testa. "Examining the Effect of Information Channel on COVID-19 Vaccine Acceptance." PLOS One 16.5 (May 2021): 1-14.

Statistics And the Pandemic

Frankel, Jeffrey A. "Statistics And the Pandemic." The Project Syndicate, May 2021.

Voters against Democracy: The Roots of Autocratic Resurgence

Norris, Pippa. "Voters against Democracy: The Roots of Autocratic Resurgence." Foreign Affairs (May-June 2021).

Property Rights and Urban Form

Djankov, Simeon, Edward L. Glaeser, Valeria Perotti, and Andrei Shleifer. "Property Rights and Urban Form." NBER Working Paper Series, May 2021.

An Ounce of Prevention

Newhouse, Joseph P. "An Ounce of Prevention." Journal of Economic Perspectives 35.2 (Spring 2021): 101-118.

The Role of the Diaspora in the Internationalization of the Colombian Economy

Nedelkoska, Ljubica, Andre Assumpcao, Ana Grisanti, Matte Hartog, Julian Hinz, Jessie Lu, Daniela Muhaj, Eric Protzer, Annalee Saxenian, and Ricardo Hausmann. "The Role of the Diaspora in the Internationalization of the Colombian Economy." CID Faculty Working Paper Series, May 2021.

Designing Supreme Court Term Limits

Chilton, Adam, Daniel Epps, Kyle Rozema, and Maya Sen. "Designing Supreme Court Term Limits." Southern California Law Review 95.1 (May 2021): 1-72.

Can Automatic Retention Improve Health Insurance Market Outcomes?

McIntyre, Adrianna, Mark Shepard, and Myles Wagner. "Can Automatic Retention Improve Health Insurance Market Outcomes?" AEA Papers and Proceedings 111 (May 2021): 560-566.

Environmental Protection or Environmental Protectionism? Evidence from Tail Pipe Emission Standards in China

Bai, Jie, Shanjun Li, Danxia Xie, and Hui Zhou. “Environmental Protection or Environmental Protectionism? Evidence from Tail Pipe Emission Standards in China.” AEA Papers and Proceedings 111 (May 2021): 381–85. https://doi.org/10.1257/pandp.20211033.

Religion and Sanitation Practices

Adukia, Anjali, Marcella Alsan, Kim Babiarz, Jeremy D Goldhaber-Fiebert, and Lea Prince. "Religion and Sanitation Practices." The World Bank Economic Review 35.2 (May 2021): 287-302.

oison Parasite Counter: Turning Duplicitous Mass Communications Into Self-Negating Memory-Retrieval Cues

Cialdini, Robert, Jessica Lasky-Fink, Linda J. Demaine, Daniel W. Barrett, Brad J. Sagarin, and Todd Rogers. "oison Parasite Counter: Turning Duplicitous Mass Communications Into Self-Negating Memory-Retrieval Cues." Psychological Science (May 2021).

Permafrost carbon feedbacks threaten global climate goals

Natali, Susan, John P. Holdren, Brendan M. Rogers, Rachael Treharne, Philip B. Duffy, Rafe Pomerance, and Erin MacDonald. "Permafrost carbon feedbacks threaten global climate goals." Proceedings of the National Academy of Sciences 118.21 (May 2021): e2100163118.

Who Says Yes or No? Models of Ethical and Safety Oversight for Student-Led Political Violence Research

Eck, Kristine and Dara Kay Cohen. "Who Says Yes or No? Models of Ethical and Safety Oversight for Student-Led Political Violence Research." PS: Political Science & Politics (May 2021).

Conflict-Related Sexual Violence

Nordas, Ragnhild, and Dara Kay Cohen. "Conflict-Related Sexual Violence." Annual Review of Political Science 24 193-211.

Practice What You Preach: Global Human Rights Leadership Begins at Home

Sikkink, Kathryn. "Practice What You Preach: Global Human Rights Leadership Begins at Home." Foreign Affairs, May/June.

Expert judgements on solar geoengineering research priorities and challenges

Irvine, Peter James, Elizabeth Burns, Ken Caldeira, Frank N Keutsch, Dustin Tingley, and David Keith. "Expert judgements on solar geoengineering research priorities and challenges." April 2021.

A megastudy of text-based nudges encouraging patients to get vaccinated at an upcoming doctor’s appointment

Milkman, Katherine L., Todd Rogers, et al. "A megastudy of text-based nudges encouraging patients to get vaccinated at an upcoming doctor’s appointment." Proceedings of the National Academy of Sciences 118.20 (April 2021): e2101165118.

Strategic Clarity: Statecraft in Biden’s First 100 Days

Allison, Graham. "Strategic Clarity: Statecraft in Biden’s First 100 Days." The National Interest. 04/28/21.

Data as Collectively Generated Patterns: Making Sense of Data Ownership

Risse, Mathias. "Data as Collectively Generated Patterns: Making Sense of Data Ownership." Carr Center Discussion Paper Series, April 2021.

Can Automatic Retention Improve Health Insurance Market Outcomes?

McIntyre, Adrianna, Mark Shepard, and Myles Wagner. "Can Automatic Retention Improve Health Insurance Market Outcomes?" vlog Faculty Research Working Paper Series RWP21-012, April 2021.

Testimony on the Elimination of Fossil Fuel Subsidies to the US Subcommittee on the Environment

Aldy, Joseph. "Testimony on the Elimination of Fossil Fuel Subsidies to the US Subcommittee on the Environment." US House Oversight Committee, April 22, 2021.

The Populist-Burkean Dimension in U.S. Public Opinion

Shakeel, M. Danish, and Paul E. Peterson. "The Populist-Burkean Dimension in U.S. Public Opinion." Program on Education Policy and Governance Working Papers Series, April 20, 2021.

Une approche systémique de la démocratie délibérative

Mansbridge, Jane, James Bohman, Simone Chambers, Thomas Christiano, Archon Fung, John Parkinson, Dennis F. Thompson, and Mark E. Warren. "Une approche systémique de la démocratie délibérative." Le tournant délibératif de la démocratie. Ed. Loïc Blondiaux and Bernard Manin. Presses de Sciences Po, April 2021, 25-66.

The Practices of Objectivity in Regulatory Science

Jasanoff, Sheila. "The Practices of Objectivity in Regulatory Science." Social Knowledge in the Making. Ed. Charles Camic, Neil Gross, and Michèle Lamont. University of Chicago Press, 2021, 307-338.

Constituency as an Independent Source
of Power

Oyakawa, Michelle, Elizabeth McKenna, and Hahrie Han. "Constituency as an Independent Source of Power." Social Science Research Council - Items. April 6, 2021.

Personal Narratives Build Trust Across Ideological Divides

Hagmann, David, Julia Minson, and Catherine H. Tinsley. "Personal Narratives Build Trust Across Ideological Divides." April 5, 2021.