Student Research - Doctoral - Harvard Business School

This paper examines whether—in the absence of mandated disclosure requirements—shareholder activism can elicit greater disclosure of firms’ exposure to climate change risks. We find that environmental shareholder activism increases the voluntary disclosure of climate...

September 2021
Article
Information Systems Research

Network Interconnectivity and Entry into Platform Markets

By: Feng Zhu, Xinxin Li, Ehsan Valavi and Marco Iansiti

Digital technologies have led to the emergence of many platforms in our economy today. In certain platform networks, buyers in one market purchase services from providers in many other markets, whereas in others, buyers primarily purchase services from providers within...

Summer 2021
Article
Journal of Government and Economics

Predictable Country-level Bias in the Reporting of COVID-19 Deaths

By: Botir Kobilov, Ethan Rouen and George Serafeim

We examine whether a country’s management of the COVID-19 pandemic relate to the downward biasing of the number of reported deaths from COVID-19. Using deviations from historical averages of the total number of monthly deaths within a country, we find that the...

2021
Working Paper

'Just Letting You Know…': Underestimating Others' Desire for Constructive Feedback

By: Nicole Abi-Esber, Jennifer Abel, Juliana Schroeder and Francesca Gino

People often avoid giving feedback to others even when it would help fix a problem immediately. Indeed, in a pilot field study (N=155), only 2.6% of individuals provided feedback to survey administrators that the administrators had food or marker on their faces. Five...

August 2021
Article
Journal of Consumer Research

Hoping for the Worst? A Paradoxical Preference for Bad News

By: Kate Barasz and Serena Hagerty

Nine studies investigate when and why people may paradoxically prefer bad news—e.g., hoping for an objectively worse injury or a higher-risk diagnosis over explicitly better alternatives. Using a combination of field surveys and randomized experiments, the research...

Article
Annals of Statistics

Estimation of the Number of Components in Nonparametric Multivariate Finite Mixture Models

By: Caleb Kwon and Eric Mbakop

2021
Working Paper

Do Policies to Increase Access to Treatment for Opioid Use Disorder Work?

By: Eric Barrette, Leemore S. Dafny and Karen Shen

As of 2016 there were an estimated 2.1 million Americans suffering from opioid use disorder (OUD). To date, most policy interventions have focused on curbing opioid prescriptions and extending insurance coverage to include substance use disorder. However, relatively...

2021
Working Paper

Studying the U.S.-Based Portfolio Companies of U.S. Impact Investors

By: M. Diane Burton, Gurveen Chadha, Shawn A. Cole, Abhishek Dev, Christina Jarymowycz, Leslie Jeng, Laura Kelley, Josh Lerner, Jaime R. Diaz Palacios, Yue (Cynthia) Xu and T. Robert Zochowski

Recent years have seen a dramatic increase in the reliance on market-based solutions to social and environmental problems around the world (Barman 2016; Horvath and Powell 2020). The growth of impact investing is a vivid example of this trend and, although there have...

Article
BMJ Open

Use of Connected Digital Products in Clinical Research Following the COVID-19 Pandemic: A Comprehensive Analysis of Clinical Trials

By: Caroline Marra, William J. Gordon and Ariel Dora Stern

Objectives: In an effort to mitigate COVID-19 related challenges for clinical research, the U.S. Food and Drug Administration (FDA) issued new guidance for the conduct of ‘virtual’ clinical trials in late March 2020. This study documents trends in the use of connected...

2021
Working Paper

Being the Boss: Gig Workers' Value of Flexible Work

By: Laura Katsnelson and Felix Oberholzer-Gee

Workers who join the gig economy face a challenging trade-off. Gig work provides worktime flexibility and a sense of being one’s own boss, but gig workers forgo certain protections that employees enjoy. In this paper, we study the work patterns of a large sample of...

Article
Proceedings of the National Academy of Sciences

A Megastudy of Text-Based Nudges Encouraging Patients to Get Vaccinated at an Upcoming Doctor's Appointment

By: Katherine L. Milkman, Mitesh S. Patel, Linnea Gandhi, Heather N. Graci, Dena M. Gromet, Hung Ho, Joseph S. Kay, Timothy W. Lee, Modupe Akinola, John Beshears, Jonathan E. Bogard, Alison Buttenheim, Christopher F. Chabris, Gretchen B. Chapman, James J. Choi, Hengchen Dai, Craig R. Fox, Amir Goren, Matthew D. Hilchey, Jillian Hmurovic, Leslie K. John, Dean Karlan, Melanie Kim, David Laibson, Cait Lamberton, Brigitte C. Madrian, Michelle N. Meyer, Maria Modanu, Jimin Nam, Todd Rogers, Renante Rondina, Silvia Saccardo, Maheen Shermohammed, Dilip Soman, Jehan Sparks, Caleb Warren, Megan Weber, Ron Berman, Chalanda N. Evans, Christopher K. Snider, Eli Tsukayama, Christophe Van den Bulte, Kevin G. Volpp and Angela L. Duckworth

Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N = 47,306) testing 19 nudges delivered to patients via...

2021
Working Paper

Supply- and Demand-Side Effects in Performance Appraisals: The Role of Gender and Race

By: Iris Bohnet, Oliver P. Hauser and Ariella Kristal

Performance reviews in firms are common but controversial. Managers’ subjective appraisals of their employees’ performance and employees’ self-evaluations might be affected by demographic characteristics, interact with each other as self-evaluations are typically...

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