Publications
Publications
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- All HBS Web
(716)
- Faculty Publications (167)
- August 2020
- Case
Zoom Video Communications: Eric Yuan's Leadership During COVID-19
In the first half of 2020, worldwide lockdowns caused by the COVID-19 pandemic brought explosive growth to the Zoom Video Communications platform, as people replaced in-person work and social events with videoconferencing. Months into the pandemic, CEO Eric Yuan... View Details
Keywords: Transformation; Communication Technology; Customer Value and Value Chain; Values and Beliefs; Technological Innovation; Leadership; Crisis Management; Organizational Culture; Working Conditions; Strategy; Information Technology; Applications and Software; Technology Adoption; Health Pandemics; Technology Industry; United States; California
- 2020
- Working Paper
Best Ideas
By: Miguel Antón, Randolph B. Cohen and Christopher Polk
We find that the stocks in which active mutual fund or hedge fund managers display the most conviction towards ex-ante, their “Best ideas,” outperform the market, as well as the other stocks in those managers’ portfolios, by approximately 2.8 to 4.5 percent per year,... View Details
- August 14, 2020
- Comment
How Has COVID-19 Affected Health Insurance Offered by Small Businesses in the U.S.? Early Evidence from a Survey
By: Leemore S. Dafny, Yin Wei Soon, Zoë Cullen and Christopher T. Stanton
As the COVID-19 pandemic stretches toward its third quarter, loss of health insurance coverage has not figured prominently in the public debate. Data in this report demonstrate why that is, but also suggest that the apparent stability is fragile, with potentially... View Details
- 2022
- Working Paper
Optimal Illiquidity
By: John Beshears, James J. Choi, Christopher Clayton, Christopher Harris, David Laibson and Brigitte C. Madrian
We calculate the socially optimal level of illiquidity in an economy populated by households with taste shocks and naive present bias. The government chooses mandatory contributions to accounts, each witha different pre-retirement withdrawal penalty. Collected... View Details
Keywords: Illiquidity; Commitment; Flexibility; Savings; Social Security; Retirement; Government Legislation; Taxation; Saving
- 2021
- Conference Presentation
An Algorithmic Framework for Fairness Elicitation
By: Christopher Jung, Michael J. Kearns, Seth Neel, Aaron Leon Roth, Logan Stapleton and Zhiwei Steven Wu
We consider settings in which the right notion of fairness is not captured by simple mathematical definitions (such as equality of error rates across groups), but might be more complex and nuanced and thus require elicitation from individual or collective stakeholders.... View Details
- June 2020
- Article
Lazy Prices
By: Lauren Cohen, Christopher J. Malloy and Quoc Nguyen
We explore the implications of a subtle "default" choice that firms make in their regular reporting practices, namely that firms typically repeat what they most recently reported. Using the complete history of regular quarterly and annual filings by U.S. corporations... View Details
- March 2020
- Case
Forbidden City: Launching a Craft Beer in China
By: Christopher A. Bartlett and Carole Carlson
This case describes a difficult choice faced by Victor Wang, Managing Director of Singapore-based Eurasian Brewing Company (EBC), concerning the competing product launch plans of Le Jie, Vice President of EBC's China and East Asian operations, and Vivian Chin, EBC's... View Details
- Mar 2020
- Conference Presentation
A New Analysis of Differential Privacy's Generalization Guarantees
By: Christopher Jung, Katrina Ligett, Seth Neel, Aaron Roth, Saeed Sharifi-Malvajerdi and Moshe Shenfeld
We give a new proof of the "transfer theorem" underlying adaptive data analysis: that any mechanism for answering adaptively chosen statistical queries that is differentially private and sample-accurate is also accurate out-of-sample. Our new proof is elementary and... View Details
- March 2020
- Article
Which Early Withdrawal Penalty Attracts the Most Deposits to a Commitment Savings Account?
By: John Beshears, James J. Choi, Christopher Harris, David Laibson, Brigitte C. Madrian and Jung Sakong
Previous research has shown that some people voluntarily use commitment contracts that restrict their own choice sets. We study how people divide money between two accounts: a liquid account that permits unrestricted withdrawals and a commitment account that is... View Details
- October 2019 (Revised January 2020)
- Case
Dulcie Madden (A)—Growth or Exit?
By: Shikhar Ghosh, Christopher Payton and Shweta Bagai
This is part of a three-case series that follows Dulcie Madden's journey as a founder over five years. Case (A) is about managing growth and cash flow; Case (B) is about the exit decision and conditions on a sale; Case (C) shows Madden dealing with adversity and the... View Details
Keywords: Entrepreneurial Management; Family; Family Conflicts; Founders' Agreements; Growth And Development; Hardware; VC; Scaling; Start-up; Female Ceo; Risk Assessment; Entrepreneurship; Growth Management; Equity; Cash Flow; Success; Failure; Acquisition; Business Model; Information Technology; Valuation; Family and Family Relationships; Information Infrastructure; Apparel and Accessories Industry; Technology Industry; United States
- 2019
- Chapter
Problem, Person, and Pathway: A Framework for Social Innovators
By: Julie Battilana, Brittany Butler, Marissa Kimsey, Johanna Mair, Christopher Marquis and Christian Seelos
As the appetite for learning about social innovation intensifies, how can we better prepare practitioners for the work of addressing the world’s pressing social problems at the relevant scale? This chapter presents the “3P” framework that we developed to help address... View Details
- July 2019
- Article
The Gravitational Pull of Expressing Passion: When and How Expressing Passion Elicits Status Conferral and Support from Others
By: Jon M. Jachimowicz, Christopher To, Shira Agasi, Stéphane Côté and Adam D. Galinsky
Prior research attributes the positive effects of passion on professional success to intrapersonal characteristics. We propose that interpersonal processes are also critical because observers confer status on and support those who express passion. These interpersonal... View Details
- Article
Use of Crowd Innovation to Develop an Artificial Intelligence-Based Solution for Radiation Therapy Targeting
By: Raymond H. Mak, Michael G. Endres, Jin Hyun Paik, Rinat A. Sergeev, Hugo Aerts, Christopher L. Williams, Karim R. Lakhani and Eva C. Guinan
Importance: Radiation therapy (RT) is a critical cancer treatment, but the existing radiation oncologist work force does not meet growing global demand. One key physician task in RT planning involves tumor segmentation for targeting, which requires substantial... View Details
- 2019
- Article
Fair Algorithms for Learning in Allocation Problems
By: Hadi Elzayn, Shahin Jabbari, Christopher Jung, Michael J Kearns, Seth Neel, Aaron Leon Roth and Zachary Schutzman
Settings such as lending and policing can be modeled by a centralized agent allocating a scarce resource (e.g. loans or police officers) amongst several groups, in order to maximize some objective (e.g. loans given that are repaid, or criminals that are apprehended).... View Details
- Article
Decreases In Readmissions Credited to Medicare's Program to Reduce Hospital Readmissions Have Been Overstated
By: Christopher Ody, Lucy Msall, Leemore S. Dafny, David Grabowski and David Cutler
Medicare’s Hospital Readmissions Reduction Program (HRRP) has been credited with lowering risk-adjusted readmission rates for targeted conditions at general acute care hospitals. However, these reductions appear to be illusory or overstated. This is because a... View Details
- September 2018 (Revised April 2019)
- Case
Sigfox: Building a Global IoT Network
By: Rajiv Lal, Mette Fuglsang Hjortshoej and Emilie Billaud
In 2018, Ludovic Le Moan and Christophe Fourtet, co-founders of the French tech startup Sigfox, reflected on the evolution of their venture and the way forward. Founded in 2009, Sigfox was a company that provided a global connectivity network for devices connected to... View Details
- June 2018
- Background Note
Introduction to Life Settlements
By: Alexander Braun, Lauren H. Cohen, Christopher J. Malloy and Jiahua Xu
Life insurance is an asset owned by the majority of American adults (61%). Note that this 61% penetration rate is essentially at parity with home ownership (64%) and higher than that of 401(k) retirement account ownership (53%). Life settlements, or life insurance... View Details
- May 2018 (Revised June 2018)
- Case
Ashar Group: Brokers and Co-opetition in the Life Settlement Industry
By: Alexander Braun, Lauren H. Cohen, Christopher J. Malloy and Jiahua Xu
Connecting life insurance policyholders with potential investors (called Life Settlement Providers), Ashar Group plays a pivotal role in the industry. Its current position is, however, increasingly being challenged by consumer-direct models, led by major providers... View Details
- March 2018
- Case
Lufax: FinTech and the Transformation of Wealth Management in China
By: Christopher J. Malloy, Lauren H. Cohen and Anthony K. Woo
This case examines the rise and competitive positioning of Lufax, an online marketplace headquartered in Shanghai, China, and a pioneer in the origination and trading of financial assets. The company had grown at a remarkable rate, and was awarded “Trading Platform of... View Details
- January 2018
- Article
Who Gets Hired? The Importance of Competition Among Applicants
By: Edward P. Lazear, Kathryn L. Shaw and Christopher Stanton
Despite seeming to be an important requirement for hiring, the concept of a slot is absent from virtually all of economics. Macroeconomic studies of vacancies and search come closest, but the implications of slot-based hiring for individual worker outcomes has not been... View Details