Publications
Publications
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- All HBS Web
(4,902)
- Faculty Publications (876)
- 2024
- Working Paper
Hidden Risk
By: Daniel Barth, Phillip Monin, Emil Siriwardane and Adi Sunderam
Since 2013, large U.S. hedge fund advisers have been required to report risk exposures in their regulatory filings. Using these data, we first establish that managers’ perceptions of risk contain useful information that is not embedded in fund returns. Investor flows... View Details
- October 10, 2024
- Article
Characteristics of Creative Individuals: An Umbrella Review Protocol
By: Alex Thabane, Tyler McKechnie, Phillip Staibano, Goran Calic, Colin Kruse, Jason W. Busse, Samee Parpia and Mohit Bhandari
The properties of creative products–novelty and usefulness–are generally agreed upon by researchers. Yet, consensus is lacking on which personal and environmental factors contribute to an individual’s creative potential, or to what extent. substantial research work has... View Details
- 2024
- Working Paper
Ponzi Funds
By: Philippe van der Beck, Jean-Philippe Bouchaud and Dario Villamaina
Many active funds hold concentrated portfolios. Flow-driven trading causes price pressure, which
pushes up the funds’ existing positions resulting in realized returns. We decompose fund returns
into a price pressure (self-inflated) and a fundamental component and... View Details
- September 2024 (Revised March 2025)
- Supplement
Wemade: (Re)Establishing Trust in Blockchain Games (B)
By: Jung Koo Kang, Charles C.Y. Wang, David Allen and Kwangmoon So
This supplement reviews Wemade's efforts to rebuild confidence in its business after its WEMIX coin was delisted from the major South Korean cryptocurrency exchanges on December 8, 2022. It outlines Wemade's strategy of transparency, which included partnerships with... View Details
- September 26, 2024
- Article
A Better Way to Measure Social Impact
By: Robert S. Kaplan and Constance Spitzer
All impact investors report the financial returns from their funds and investments, and many provide metrics on intended social outcomes, such as numbers of individuals served, or quality jobs created. But investors do not supply metrics about their impacts on... View Details
- September 20, 2024
- Article
It’s Time to Unbundle ESG
By: Aaron K. Chatterji and Michael W. Toffel
ESG is at an inflection point. It has come to represent a broad and inchoate aspiration for what business should be doing beyond maximizing shareholder value. With ESG advocates on the defensive, business leaders need a new roadmap to determine which factors to... View Details
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; ESG Reporting; ESG Disclosure; Sustainability; Climate; Climate Finance; Climate Risk; Social Accounting; Investment; Governance; Safety; Climate Change; Environmental Sustainability; Corporate Social Responsibility and Impact; Financial Services Industry
- 2024
- Working Paper
Behavioral Attenuation
By: Thomas Graeber, Benjamin Enke, Ryan Oprea and Jeffrey Yang
We report a large-scale examination of behavioral attenuation: due to information-processing constraints, the elasticity of people’s decisions with respect to economic fundamentals is generally too small. We implement more than 30 experiments, 20 of which were... View Details
- August 20, 2024
- Article
Sexual Assault Victims Face a Penalty for Adjacent Consent
By: Jillian J. Jordan and Roseanna Sommers
Across 11 experimental studies (n = 12,257), we show that female victims of sexual assault are blamed more and seen as less morally virtuous if their assault follows voluntary sexual intimacy, a factor we term “adjacent consent”. Moreover, we illuminate a... View Details
- July 10, 2024
- Article
Designing a Successful Reskilling Program
In this article, written as a follow up to the award-winning “Reskilling in the Age of AI”, the authors report the results of a reskilling survey that they conducted with chief human resource officers from approximately 1,200 organizations in the U.S., along with... View Details
- July 2024
- Article
Chatbots and Mental Health: Insights into the Safety of Generative AI
By: Julian De Freitas, Ahmet Kaan Uğuralp, Zeliha Uğuralp and Stefano Puntoni
Chatbots are now able to engage in sophisticated conversations with consumers. Due to the ‘black box’ nature of the algorithms, it is impossible to predict in advance how these conversations will unfold. Behavioral research provides little insight into potential safety... View Details
- July 2024
- Case
Replika AI: Alleviating Loneliness (A)
By: Shikhar Ghosh and Shweta Bagai
Eugenia Kuyda launched Replika AI in 2017 as an empathetic digital companion to combat loneliness and provide emotional support. The platform surged in popularity during the COVID-19 pandemic, offering non-judgmental support to isolated users. By 2023, Replika boasted... View Details
- June 2024
- Case
Arete Research on Unity Software
By: Joseph Pacelli and Tonia Labruyere
Richard Kramer had founded Arete Research, an independent financial research provider, in 2000 after a successful career as a sell-side analyst at Goldman Sachs. He reflects on his team's coverage of Unity Software, a U.S.-based mobile games software company, that... View Details
- June 2024 (Revised March 2025)
- Case
Wemade: (Re)Establishing Trust in Blockchain Games (A)
By: Jung Koo Kang, Charles C.Y. Wang, David Allen and Kwangmoon So
This case explores the fundamental challenges and accounting issues arising from the integration of blockchain technology into traditional business models. It features Wemade, a South Korean online gaming company that has staked its future on blockchain-based games.... View Details
- June 2024 (Revised February 2025)
- Case
Accounting for Loans at SoFi Technologies
By: Joseph Pacelli and Michael Norris
At the release of its first quarter earnings report on May 1, 2023, digital bank SoFi beat its earnings guidance by 25%. On May 2, Wedbush Securities analyst David Chiaverini issued a report downgrading the stock. A second downgrade followed from Chiaverini on May 15.... View Details
- 2025
- Working Paper
Investor Influence on Media Coverage: Evidence from Venture Capital-Backed Startups
By: Brian K. Baik and Albert Shin
We examine whether and how investors influence media coverage of their private portfolio companies. Using a stacked difference-in-differences design, we find that media coverage of startups increases significantly following venture capital (VC) investment. The effect... View Details
- May 2024
- Supplement
DRSi (A)
By: Richard S. Ruback and Royce Yudkoff
In March of 2019, Jen Ransom Fuller purchased DRSi. DRSi, located in Bellevue, Washington, printed and reproduced architectural plans and drawings. Fuller planned to use her first year of ownership to learn the business and to run it in much the same way as the seller.... View Details
Keywords: Acquisition; Small Business; Cost vs Benefits; Decisions; Business Education; Corporate Entrepreneurship; Leadership Style; Leading Change; Business or Company Management; Problems and Challenges; Health Pandemics; Selection and Staffing; Employee Relationship Management; Production; Logistics; Safety; United States; Washington (state, US)
- May 2024
- Supplement
DRSi (B)
By: Richard S. Ruback and Royce Yudkoff
Pre-Abstract: Instructors should consider the timing of making videos available to students, as they may reveal key case details.
Abstract: In March of 2019, Jen Ransom Fuller purchased DRSi. DRSi, located in Bellevue, Washington, printed and reproduced... View Details
Abstract: In March of 2019, Jen Ransom Fuller purchased DRSi. DRSi, located in Bellevue, Washington, printed and reproduced... View Details
Keywords: Acquisition; Small Business; Cost vs Benefits; Decisions; Business Education; Corporate Entrepreneurship; Leadership Style; Leading Change; Business or Company Management; Problems and Challenges; Health Pandemics; Selection and Staffing; Employee Relationship Management; Production; Logistics; Safety; Washington (state, US); United States
- May 2024
- Case
A New Aiera for Equity Research
By: Joseph Pacelli, Charles CY Wang and James Barnett
Aiera (pronounced “era”) co-founder and CEO Ken Sena considers strategic pathways to growth for the artificial intelligence (AI)-powered platform used to source, verify, and transcribe earnings calls, company presentations, and other corporate events. View Details
- 2024
- Working Paper
What Is Newsworthy? Theory and Evidence
By: Luis Armona, Matthew Gentzkow, Emir Kamenica and Jesse M. Shapiro
We study newsworthiness in theory and practice. We focus on situations in which a news outlet observes the realization of a state of the world and must decide whether to report the realization to a consumer who pays an opportunity cost to consume the report. The... View Details
- April 2024 (Revised August 2024)
- Teaching Note
Silicon Valley Bank: Gone in 36 Hours
Teaching Note for HBS Case No. 124-001. View Details