Publications
Publications
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(7,632)
- Faculty Publications (1,637)
- 2023
- Working Paper
The Equity Market Implications of the Retail Investment Boom
By: Philippe van der Beck and Coralie Jaunin
This paper quantifies the impact of Robinhood traders on the US equity market. Within a structural model, we estimate retail and institutional demand curves and derive aggregate pricing implications via market clearing. The inelastic nature of institutional demand... View Details
- 2024
- Working Paper
What Do Impact Investors Do Differently?
In recent years, impact investors – private investors who seek to generate simultaneously financial and social returns – have attracted intense interest and controversy. We analyze a novel, comprehensive data set of impact and traditional investors to assess how the... View Details
- October 2023
- Case
Prime Coalition: Estimating Climate Impact
A case on CRANE, a tool to help investors and green technology companies estimate the future climate impact of new technologies and products, called emissions reduction potential (ERP). The case includes material on CRANE’s methodology for estimating future carbon... View Details
- October 31, 2023
- Article
Research: Can a More Detailed LinkedIn Profile Boost Your Salary?
By: Boris Groysberg and Eric Lin
Our digital presence impacts how others perceive us. A simple résumé and a list of references no longer captures the essence of our professional capabilities. In this article, the authors explain how the intentional management of our online personas can have a positive... View Details
- October 2023 (Revised January 2025)
- Case
Ӧzyeğin Social Investments: A Legacy of Giving
By: Christina R. Wing, Zeshan Gondal and Brittany L. Logan
This case explores the work of Özyeğin Social Investments, founded by Hüsnü Özyeğin, one of Turkey's most successful entrepreneurs. With a focus on education, health, gender equality, rural development, and disaster relief in Turkey, Özyeğin Social Investments and the... View Details
- October 2023
- Teaching Note
Timnit Gebru: 'SILENCED No More' on AI Bias and The Harms of Large Language Models
By: Tsedal Neeley and Tim Englehart
Teaching Note for HBS Case No. 422-085. Dr. Timnit Gebru—a leading artificial intelligence (AI) computer scientist and co-lead of Google’s Ethical AI team—was messaging with one of her colleagues when she saw the words: “Did you resign?? Megan sent an email saying that... View Details
- October 2023 (Revised April 2024)
- Case
Accounting Red Flags or Red Herrings at Catalent? (A)
By: Joseph Pacelli, ZeSean Ali and Tom Quinn
Fund manager Janet Curie asked for a recommendation about the pharmaceutical company Catalent. The company seemed like a solid investment. However, a pair of research reports issued over the previous two months complicated this narrative. GlassHouse Research, a short... View Details
Keywords: Accounting Audits; Budgets and Budgeting; Earnings Management; Cost Accounting; Fair Value Accounting; Revenue Recognition; Integrated Corporate Reporting; Fairness; Moral Sensibility; Values and Beliefs; Government Legislation; Conflict of Interests; Announcements; Blogs; Debates; Investment; Trust; Business and Shareholder Relations; Pharmaceutical Industry; Accounting Industry; United States
- October 2023 (Revised March 2024)
- Case
GameStop: Social Media Finds a Cheat Code (A)
By: Joseph Pacelli and Sarah Mehta
This case covers the events leading up to the 2021 GameStop short squeeze. Using GameStop as an illustrative example, the case explores the rise in retail trading, increased financial information sharing on social media, and the gamification of investing enabled by... View Details
- October 20, 2023
- Article
How ENGOs Can Support Corporate Climate Change Efforts
Nearly half of CEOs view climate change as affecting their companies now or within the coming decade, but there is also a wide gap between what CEOs say is progress on tackling climate change and what many of their investors believe are effective actions. Companies... View Details
- October 17, 2023
- Article
10 Emotions That Are Undervalued in the Workplace
By: Frances X. Frei and Anne Morriss
In their new book, Move Fast and Fix Things, Frances Frei and Anne Morriss outline five strategies to help leaders tackle their hardest problems and quickly make change. Their fourth strategy is about telling a compelling story about the change you need to... View Details
- October 2023 (Revised May 2025)
- Case
Nelson Mandela: Changing the World
By: Robert Simons and Shirley Sun
This case traces the rise of Nelson Mandela from his tribal home in South Africa to president of the country. Rejecting expectations that he would be a tribal leader, Mandela instead dedicates his life to fighting Apartheid. After peaceful approaches fail, he joins... View Details
- October 2023
- Case
Kevin O'Leary: Building a Brand in Shark-infested Waters
By: Reza Satchu and Patrick Sanguineti
For more than fifteen years, successful Canadian entrepreneur and investor Kevin O’Leary had developed his brand into a global powerhouse. Since his first appearance on the Canadian television program Dragons’ Den in 2006 and his meteoric rise to stardom through the... View Details
- October 2023
- Case
Driving Sustainability at AB InBev
By: Ethan Rouen and Antonio Manuel Oftelie
It was the height of the summer in 2022, and Michel Doukeris, the CEO of Anheuser-Busch InBev (AB InBev), and Peter Kraemer, the company’s Chief Supply Officer, gazed across the vast desert surrounding Zacatecas, Mexico. They were visiting their Grupo Modelo Brewery,... View Details
- October 2023 (Revised May 2024)
- Case
JSW Steel: Balancing Growth While Decarbonizing
By: Vikram S Gandhi and Radhika Kak
Sajjan Jindal, Chairman & Managing Director of JSW Steel, India's largest steel producer by market capitalization, was facing a dilemma. Steel demand in India was expected to grow exponentially over the next decade. However, given its traditional reliance on carbon,... View Details
- October 2023
- Article
Coordination and Bandwagon Effects: How Past Rankings Shape the Behavior of Voters and Candidates
By: Riako Granzier, Vincent Pons and Clémence Tricaud
Candidates’ placements in polls or past elections can be powerful coordination devices for both parties and voters. Using a regression discontinuity design in French elections, we show that candidates who place first by only a small margin in the first round are more... View Details
- 2023
- Working Paper
Interest-Rate Risk and Household Portfolios
By: Sylvain Catherine, Max Miller, James Paron and Natasha Sarin
How are households exposed to interest-rate risk? When rates fall, households face lower future expected returns but those holding long-term assets—disproportionately the wealthy and middle-aged—experience capital gains. We study the hedging demand for long-term assets... View Details
- 2023
- Working Paper
Trusting Talent: Cross-Country Differences in Hiring
By: Letian Zhang and Shinan Wang
This article argues that a society’s social trust influences employers’ hiring strategies. In selecting workers, employers could either focus on applicants’ potential and select on foundational skills (e.g., social skills, math skills) or focus on their readiness and... View Details
- September 2023 (Revised September 2023)
- Teaching Note
Roche: Innovation and Access to Healthcare
By: George Serafeim
Teaching Note for HBS Case No. 123-075. In May 2022, Roche Group, one of the largest healthcare companies in the world, hosted its first investor event focused exclusively on its efforts to impact access to healthcare. While Roche had recently set an ambitious goal to... View Details
- September 2023 (Revised September 2024)
- Technical Note
Measuring and Managing Social Impact
By: Brian Trelstad, Gerald Chertavian and Susan Pinckney
A brief overview of how to measure social impact at nonprofits, social organizations, and impact investments. View Details
Keywords: Analysis; Change; Transformation; Decision Making; Cost vs Benefits; Decision Choices and Conditions; Decisions; Forecasting and Prediction; Public Sector; Entrepreneurship; Social Entrepreneurship; Fairness; Entrepreneurial Finance; Governance; Governing and Advisory Boards; Policy; Innovation and Management; Knowledge Acquisition; Knowledge Use and Leverage; Goals and Objectives; Growth and Development Strategy; Growth Management; Management Analysis, Tools, and Techniques; Management Practices and Processes; Resource Allocation; Measurement and Metrics; Standards; Strength and Weakness; Mission and Purpose; Success; Performance; Performance Evaluation; Philanthropy and Charitable Giving; Strategic Planning; Programs; Risk and Uncertainty; Social Enterprise; Non-Governmental Organizations; Social Issues; United States