Student Research

High net-worth donors who give through a family foundation or donor-advised fund constitute the fastest growing segment of charitable giving in the United States. Using a novel database of foundation tax filings, I document facts about top donors, estimate how they...

June 2025
Article
Administrative Science Quarterly

Riding the Passion Wave or Fighting to Stay Afloat? A Theory of Differentiated Passion Contagion

By: Emma Frank, Kai Krautter, Wen Wu and Jon M. Jachimowicz

Prior research suggests that employees benefit from highly passionate teammates because passion spreads easily from one employee to the next. We develop theory to propose that life in high-passion teams may not be as uniformly advantageous as previously assumed. We...

2025
Book Chapter

Employer-Based Short-Term Savings Accounts

By: Sarah Holmes Berk, John Beshears, Jay Garg, James J. Choi and David Laibson

We study the introduction of a choice architecture design intended to increase short-term savings among employees at five U.K. firms. Employees were offered the opportunity to opt into a payroll deduction program that auto-deposits funds from each paycheck into a...

2025
Working Paper

How Do Nonprofits Use Cash Windfalls? Evidence from $5B in Unrestricted Donations

By: Jennifer Walsh

How do nonprofits use unrestricted gifts? Donations to 501(c)(3)'s are increasingly given unrestricted due to concerns that restrictions on use unduly constrain nonprofits. I study the effect of such funding on recipients using a $5B sample of MacKenzie Scott's gifts...

2025
Article
Nature Communications

Emotion Regulation Contagion Drives Reduction in Negative Intergroup Emotions

By: Michael Pinus, Yajun Cao, Eran Halperin, Alin Coman, James J. Gross and Amit Goldenberg

When emotions occur in groups, they sometimes impact group behavior in undesired ways. Reducing group’s emotions with emotion regulation interventions can be helpful, but may also be a challenge, because treating every person in the group is often infeasible. One...

February 2025
Article
JAMA Health Forum

Sale of Private Equity–Owned Physician Practices and Physician Turnover

By: Victoria Berquist, Lev Klarnet and Leemore Dafny

Private equity (PE) ownership of physician practices is increasing, with owners targeting sales, or exits, in 3 to 7 years. Little is known about the association of exit with physician retention and subsequent employment. Using panel data over the period 2014-2020, we...

2025
Working Paper

The Hidden Costs of Flexible Labor Models: How Working Multiple Jobs Affects Employees

By: Paige Tsai and Ryan W. Buell

As operations increasingly rely upon flexible labor models—such as gig, part-time, and remote work—it has become commonplace for individuals to work multiple jobs. Across three studies, relying on a combination of transaction-level data from 90,548 customers of a...

2025
Working Paper

Sale of Private-Equity Owned Physician Practices and Physician Turnover

By: Leemore S. Dafny, Victoria Berquist and Lev Klarnet

January 2025
Article
Academy of Management Annals

Personal Growth in Organizations: A Review and Integrative Theoretical Framework

By: Manjari Ganti, Susan Ashford and Grace Cormier

Personal growth has interested management scholars for nearly a century, yet research on personal growth has not cohered into a substantive research domain. Nevertheless, various bodies of literature have made important strides in understanding specific elements of...

2024
Article
International Journal of Public Health

Psychological Safety as an Enduring Resource amid Constraints

By: Hassina Bahadurzada, Amy C. Edmondson and Michaela J. Kerrissey

While psychological safety is recognized as valuable in healthcare, its relationship to resource constraints is not well understood. We investigate whether psychological safety mitigates the negative impact of resource constraints on employees. Leveraging longitudinal...

December 2024
Article
American Economic Review: Insights

Is There Too Little Antitrust Enforcement in the U.S. Hospital Sector?

By: Zarek Brot-Goldberg, Zack Cooper, Stuart Craig and Lev Klarnet

From 2002 to 2020, there were over 1,000 mergers of U.S. hospitals. During this period, the Federal Trade Commission (FTC) took enforcement actions against 13 transactions. However, using the FTC’s standard screening tools, we find that 20% of these mergers could have...

November 2024
Article
Hospital Pediatrics

A National Analysis of General Pediatric Inpatient Unit Closures and Openings, 2011–2018

By: Carolyn San Soucie, Nancy D. Beaulieu, Jason D. Buxbaum, David Cutler, JoAnna K. Leyenaar, Sarah C. McBride, Olivia Zhao and Alyna T. Chien

OBJECTIVES: This paper provides an examination of: (1) the frequency and net rates of change for general pediatric inpatient (GPI) unit closures and openings nationally and by state; (2) how often closures or openings are caused by GPI unit changes only or caused by...