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- 2025
- Working Paper
Centralized Governance in Decentralized Organizations
By: Lin William Cong, Daniel Rabetti, Charles C.Y. Wang and Yu Yan
We systematically document governance centralization in decentralized autonomous organizations (DAOs) and study its drivers and economic implications. Using multiple data sources and granular on-chain transactional data, we compare our findings to those in corporate... View Details
Keywords: Governance
- 2025
- Working Paper
Code-Washing: Evidence from Open-Source Blockchain Startups
By: Ofir Gefen, Daniel Rabetti, Yannan Sun and Che Zhang
This study examines startups' management of source code repositories, distinguishing authentic developers ("code-producers''), from those inflating activity to mislead investors ("code-washers''). Using global blockchain startup and GitHub data, we find that... View Details
Keywords: Entrepreneurial Finance
- February 2025
- Case
Align Partners and SM Entertainment: Korean Shareholder Activism Meets K-Pop (A)
By: Charles CY Wang and Billy Chan
For years, institutional investors had experienced very limited success in influencing the management of listed companies through shareholder activist campaigns in Korea. The common practice of circular ownership and public resentment toward foreign shareholder... View Details
- February 2025
- Supplement
Align Partners and SM Entertainment: Korean Shareholder Activism Meets K-Pop (B)
By: Charles CY Wang and Billy Chan
For years, institutional investors had experienced very limited success in influencing the management of listed companies through shareholder activist campaigns in Korea. The common practice of circular ownership and public resentment toward foreign shareholder... View Details
- January 2025
- Case
Duolingo: On a 'Streak'
By: Jeffrey F. Rayport, Nicole Tempest Keller and Nicole Luo
In December 2024, Severin Hacker, Co-Founder and Chief Technology Officer of Duolingo, reflected on the remarkable evolution of the language-learning app he helped launch in 2011. As the #1 most downloaded education app in the world, Duolingo had over 100 million... View Details
- January 2025
- Teaching Note
Index and Active Investing: Vanguard and the New Frontier of Active ETFs
By: Marco Sammon and Luis M. Viceira
- January 2025
- Case
Index and Active investing: Vanguard and the New Frontier of Active ETFs
By: Marco Sammon, Luis M. Viceira and Jonathan Kanagasabai
This case explores Vanguard’s strategic decision-making process as it considers entering the growing market for actively managed exchange-traded funds (ETFs). Set in 2024, the case places students in the position of Rodney Comegys, Vanguard’s global head of the Equity... View Details
- January 2025
- Case
A Tiger in the Tank: Exxon Sues Investors
By: Clayton S. Rose, Sarah Sasso and James Weber
In June 2024, investors were trying to make sense of ExxonMobil’s (Exxon) lawsuit against two impact investors, Arjuna Capital (Arjuna) and Follow This, that had just been dismissed by the U.S. District Court of Northern Texas. Exxon’s suit challenged the rights of two... View Details
Keywords: Disruption; Talent and Talent Management; Customer Satisfaction; Decision Making; Demographics; Ethics; Corporate Accountability; Employees; Recruitment; Retention; Leadership; Crisis Management; Risk Management; Corporate Social Responsibility and Impact; Mission and Purpose; Organizational Change and Adaptation; Civil Society or Community; Social Issues; Adaptation; Investment Activism; Lawsuits and Litigation; Business and Shareholder Relations; Medical Devices and Supplies Industry; Health Industry; Energy Industry; United States; Netherlands; Norway
- January 2025
- Article
Automatic Enrollment with a 12% Default Contribution Rate
By: John Beshears, Ruofei Guo, David Laibson, Brigitte C. Madrian and James J. Choi
We study a retirement savings plan with a default contribution rate of 12% of income, which is much higher than previously studied defaults. Twenty-five percent of employees had not opted out of this default 12 months after hire; a literature review finds that the... View Details
- December 2024 (Revised March 2025)
- Case
Tata Power and India's Energy Transition
By: Vikram S. Gandhi, Radhika Kak and Kairavi Dey
Tata Power stood at the forefront of India’s energy transition. The firm had a long history deeply intertwined with the country's development. As Mumbai’s power needs increased, Tata Power built out thermal assets across North, West, and East India. While thermal power... View Details
Keywords: Energy; Renewable Energy; Energy Sources; Climate Change; Green Technology; Energy Industry; Asia; India
- November–December 2024
- Article
How Robust Is Your Climate Governance?
By: Lynn S. Paine and Suraj Srinivasan
During the past few years, as evidence of climate change and its effects has mounted, many corporate boards have added climate governance to their agendas. But the maturity of boards’ climate-oversight processes and activities varies widely.
To better... View Details
To better... View Details
- 2024
- Contribution
Work
By: Nien-hê Hsieh and Julie L. Rose
This chapter has two aims. First, in light of the continued dominance of market capitalism, one aim of the chapter is to examine contemporary approaches to traditional concerns about the impact of market capitalism on the manner in which work is carried out. By the... View Details
- 2024
- Working Paper
Why Has Construction Productivity Stagnated? The Role of Land-Use Regulation
By: Leonardo D’Amico, Edward Glaeser, Joseph Gyourko, William Kerr and Giacomo A. M. Ponzetto
We document a Kuznets curve for construction productivity in 20th-century America.
Homes built per construction worker remained stagnant between 1900 and 1940, boomed after
World War II, and then plummeted after 1970. The productivity boom from 1940 to 1970
shows... View Details
- 2024
- Working Paper
Advice and the Bayesian Entrepreneur
By: Susan Cohen and Rembrand Koning
Bayesian entrepreneurship starts from the premise that entrepreneurs’ beliefs guide their theorizing, experimentation, and choices (Agrawal et al., n.d.). Since each entrepreneur has unique beliefs based on their own set of past experiences, cognitive ability, and... View Details
- November 2024
- Article
Leadership and Plumbing
“Leadership” is a growth industry. Amazon lists over 60,000 books on the topic. Most focus on emotional intelligence, charisma, avoiding narcissism (usually someone else’s problem, according to these authors, not their problem) and other personality traits. But as... View Details
Keywords: Leadership Development
- November–December 2024
- Article
Retire Without Regrets
By: Teresa M. Amabile, Lotte Bailyn, Marcy Crary, Douglas T. "Tim" Hall and Kathy E. Kram
This article explores the significant transition of retirement and offers insights into creating a satisfying postcareer life. It highlights the contrasting experiences of Irene and Lawrence, two retirees who navigated this change differently. Irene embraced retirement... View Details
- 2024
- Working Paper
How Do Global Portfolio Investors Hedge Currency Risk?
By: Robin Greenwood and Alex Cheema-Fox
We use monthly portfolio data from one of the world’s largest custodian banks, with over $40 trillion assets under custody, to study how global portfolio investors hedge foreign exchange risk in their equity and fixed income portfolios over the past 25 years. The data... View Details
- 2024
- Working Paper
Generative AI and the Nature of Work
By: Manuel Hoffmann, Sam Boysel, Frank Nagle, Sida Peng and Kevin Xu
Recent advances in artificial intelligence (AI) technology demonstrate considerable potential to
complement human capital intensive activities. While an emerging literature documents wide-ranging productivity
effects of AI, relatively little attention has been paid... View Details
- October 2024
- Case
Sacoor Brothers: From Co-Family CEOs to No Family CEOs?
By: Lauren Cohen, David Ager and Alpana Thapar
Sacoor Brothers, a luxury clothing retail company, was founded in 1989 in Lisbon, Portugal, by four brothers—Malik, Salim, Rahimo, and Moez. After establishing a strong presence in Portugal, the brothers were drawn to the rapidly growing retail markets in the Middle... View Details
Keywords: Growth; Geographic Mobility; Family Office; Professionalization; Institutional Development; Second-generation; Third-generation; Family Business; Private Equity; Investment; Governance; Transition; Business Model; Growth and Development Strategy; Management Succession; Market Entry and Exit; Family and Family Relationships; Expansion; Retail Industry; Fashion Industry; Middle East; United Arab Emirates; Saudi Arabia; Portugal; Jordan; Dubai
- 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