Publications
Publications
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- All HBS Web
(504)
- Faculty Publications (144)
- 2022
- Article
Efficiently Training Low-Curvature Neural Networks
By: Suraj Srinivas, Kyle Matoba, Himabindu Lakkaraju and Francois Fleuret
Standard deep neural networks often have excess non-linearity, making them susceptible to issues such as low adversarial robustness and gradient instability. Common methods to address these downstream issues, such as adversarial training, are expensive and often... View Details
Keywords: AI and Machine Learning
- December 2022
- Article
The Emotional Rewards of Prosocial Spending Are Robust and Replicable in Large Samples
By: Lara B. Aknin, Elizabeth W. Dunn and Ashley V. Whillans
Past studies show that spending money on other people—prosocial spending—increases a person’s happiness. However, foundational research on this topic was conducted prior to psychology’s credibility revolution (or “replication crisis”), so it is essential to ask... View Details
- November 2022
- Background Note
The Future of E-Commerce: Lessons from the Livestream Wars in China
By: Ayelet Israeli, Jeremy Yang and Billy Chan
This note explores the emerging multi-billion dollar commerce trend of livestream commerce. Livestream commerce is the sale of goods or services directly to consumers via live shows on digital platforms (such as social media or e-commerce platforms). It is a form of... View Details
Keywords: Retail; Retailing; E-commerce; E-Commerce Strategy; Ecommerce; Channels Of Distribution; Marketing Communication; Livestream Commerce; Marketing; Marketing Channels; Marketing Strategy; Advertising; Brands and Branding; Media; Consumer Behavior; Social Media; Retail Industry; Consumer Products Industry; Advertising Industry; China; United States; United Kingdom
- October 2022
- Article
Revisiting Extraversion and Leadership Emergence: A Social Network Churn Perspective
By: Blaine Landis, Jon M. Jachimowicz, Dan J. Wang and Robert W. Krause
One of the classic relationships in personality psychology is that extraversion is associated with emerging as an informal leader. However, recent findings raise questions about the longevity of extraverted individuals as emergent leaders. Here, we adopt a social... View Details
- June 2022
- Teaching Plan
GreenLight Fund
By: Brian Trelstad and Mel Martin
Teaching Note for HBS Case No. 320-053. As Tara Noland, the Executive Director (ED) of GreenLight Cincinnati, reflected on her first few years on the job. Noland had delivered on what she had been hired to do in the city: work with leading philanthropists and nonprofit... View Details
- February 2022 (Revised February 2023)
- Case
TikTok in 2020: Super App or Supernova? (Abridged)
By: Jeffrey F. Rayport, Dan Maher and Dan O'Brien
TikTok’s parent company, ByteDance, was launched in 2012 around a simple idea—helping users entertain themselves on their smartphones while on the Beijing Subway. In less than a decade, it had become one of the world’s most valuable private companies, with investors... View Details
- January 2022 (Revised March 2022)
- Technical Note
Deglobalization and Alternative Futures
By: Geoffrey Jones and Valeria Giacomin
This note reviews the evidence that the world is undergoing an era of de-globalization. It shows that available metrics show some support for this theory. However there is also evidence that what is happening might be better described as regionalization. The nature of... View Details
- January 2022
- Article
Replicating Private Equity with Value Investing, Homemade Leverage, and Hold-to-Maturity Accounting
By: Erik Stafford
The contributions of asset selection and incremental leverage to buyout investment performance are more important than typically assumed or estimated to be. Buyout funds select small firms with distinct value characteristics. Public equities with these characteristics... View Details
- July–August 2021
- Article
Surfacing the Submerged State: Operational Transparency Increases Trust in and Engagement with Government
By: Ryan W. Buell, Ethan Porter and Michael I. Norton
Problem definition: As trust in government reaches historic lows, frustration with government performance approaches record highs.
Academic/practical relevance: We propose that in co-productive settings like government services, peoples’ trust and... View Details
- March 2021
- Article
The Crowd Emotion Amplification Effect
By: Amit Goldenberg, Erika Weisz, Timothy D. Sweeney, Mina Cikara and James Gross
How do people go about reading a room or taking the temperature of a crowd? When people catch a brief glimpse of an array of faces, they can only focus their attention on some of the faces. We propose that perceivers preferentially attend to faces exhibiting strong... View Details
- February 2021 (Revised March 2022)
- Case
TikTok in 2020: Super App or Supernova?
By: Jeffrey F. Rayport, Dan Maher and Dan O'Brien
TikTok’s parent company, ByteDance, was launched in 2012 around a simple idea – helping users entertain themselves on their smartphones while on the Beijing Subway. In less than a decade, it had become one of the world’s most valuable private companies, with investors... View Details
Keywords: Business Model; Business Startups; Business Organization; Change Management; Disruption; Cross-Cultural and Cross-Border Issues; Global Strategy; Health Pandemics; Innovation Strategy; Growth and Development Strategy; Growth Management; Brands and Branding; Marketing Strategy; Marketing Channels; Network Effects; Digital Platforms; Product Design; Product Development; Partners and Partnerships; Opportunities; Social Issues; Mobile and Wireless Technology; Internet and the Web; Value Creation; United States; China
- November–December 2020
- Article
Lifting the Veil: The Benefits of Cost Transparency
By: Bhavya Mohan, Ryan W. Buell and Leslie K. John
Firms do not typically disclose information on their costs to produce a good to consumers. However, we provide evidence of when and why doing so can increase consumers’ purchase interest. Specifically, building on the psychology of disclosure and trust, we posit that... View Details
- Article
Returnable Reciprocity: Returnable Gifts Are More Effective than Unreturnable Gifts at Promoting Virtuous Behaviors
By: J.J. Zlatev and Rogers, T.
Increasing virtuous behaviors, such as initiating healthy habits, is an important goal for policymakers and social scientists. To promote compliance with requests to perform virtuous behaviors, we study “returnable reciprocity.” Whereas traditional reciprocity involves... View Details
Keywords: Nudges; Reciprocity; Want-should Conflicts; Wellness; Health; Behavior; Change; Well-being
- October 2020
- Case
PraDigi Open Learning: Transforming Rural India
By: John J-H Kim and Malini Sen
Pratham is a non-governmental organization, focusing on high-quality, low-cost and replicable interventions to address gaps in the Indian education system. Co-founder Madhav Chavan is interested in using technology for education but differed in the way it is used in... View Details
- October 2020
- Article
Task Selection and Workload: A Focus on Completing Easy Tasks Hurts Long-Term Performance
By: Diwas S. KC, Bradley R. Staats, Maryam Kouchaki and Francesca Gino
How individuals manage, organize, and complete their tasks is central to operations management. Recent research in operations focuses on how under conditions of increasing workload individuals can decrease their service time, up to a point, in order to complete work... View Details
- August 2020
- Article
Does Spending Money on Others Promote Happiness? A Registered Replication Report
By: Lara B. Aknin, Elizabeth W. Dunn, Jason Proulx, Iris Lok and Michael I. Norton
Research indicates that spending money on others—prosocial spending—leads to greater happiness than spending money on oneself (e.g., Dunn, Aknin, & Norton, 2008, 2014). These findings have received widespread attention because they offer insight into why people engage... View Details
- June 2020
- Case
Big Hit Entertainment and Blockbuster Band BTS: K-Pop Goes Global
By: Anita Elberse and Lizzy Woodham
Bang Si-Hyuk (‘Hitman Bang’) is the founder and co-chief executive officer of Big Hit Entertainment, the company behind BTS, a ‘K-pop’ band that has found unparalleled success around the globe—a remarkable feat given that most of their songs are in Korean. It is March... View Details
- Article
Signing at the Beginning vs at the End Does Not Decrease Dishonesty
By: Ariella S. Kristal, A.V. Whillans, Max Bazerman, Francesca Gino, Lisa Shu, Nina Mazar and Dan Ariely
Honest reporting is essential for society to function well. However, people frequently lie when asked to provide information, such as misrepresenting their income to save money on taxes. A landmark finding published in PNAS (Shu, Mazar, Gino, Ariely, and Bazerman,... View Details
- March 24, 2020
- Article
Delayed Negative Effects of Prosocial Spending on Happiness
By: Armin Falk and Thomas Graeber
Does prosocial behavior promote happiness? We test this longstanding hypothesis in a behavioral experiment that extends the scope of previous research. In our Saving a Life paradigm, every participant either saved one human life in expectation by triggering a targeted... View Details
- March 2020 (Revised June 2022)
- Case
GreenLight Fund
By: Brian Trelstad, Julia Kelley and Mel Martin
As Tara Noland, the Executive Director (ED) of GreenLight Cincinnati, reflected on her first few years on the job. Noland had delivered on what she had been hired to do in the city: work with leading philanthropists and nonprofit executives to use data and evidence to... View Details