Publications

January 2025
Case

Creating Value by Splitting Aster: Can One Minus One Equal Two?

By: V.G. Narayanan and Kairavi Dey

Aster DM Healthcare (Aster), founded by Dr. Azad Moopen in 1987, is a prominent healthcare conglomerate with operations spanning hospitals, clinics, retail pharmacies, and diagnostic centers across India and the GCC. After its 2018 listing on India’s National Stock... View Details

Keywords: Governance; Corporate Governance; Corporate Accountability; Leadership; Change Management; Mergers and Acquisitions; Health Industry; Asia; India; Middle East; United Arab Emirates

January 2025
Supplement

Hippo: Weathering the Storm of the Home Insurance Crisis (B)

By: Lauren Cohen, Grace Headinger and Sophia Pan

Rick McCathron, CEO of Hippo, was optimistic about the InsurTech's path to profitability after navigating the financial uncertainties of 2022. By bundling their home insurance services with third-parties and established insurance incumbents, Hippo was adopting a... View Details

January 2025
Case

Cyber Oversight: SolarWinds Board of Directors

By: Lynn S. Paine

In 2020, just two years after its IPO, information technology company SolarWinds discovered that it was the victim of an attack on its information systems by Russian hackers. The incident, known as the Sunburst attack, was costly for the company, and certain... View Details

Keywords: Corporate Governance; Corporate Accountability; Governing and Advisory Boards; Cybersecurity; Lawsuits and Litigation; Legal Liability; Business and Shareholder Relations; Information Technology Industry; United States; Texas; Delaware

January 2025
Supplement

A Winning Strategy (B): Innovation in Olympic Speed Skating

By: Rebecca Karp, Maria Roche, Maisie Wiltshire-Gordon and Tom Quinn

This case describes the aftermath of decisions made by two innovators in the Olympic sport of speed skating: the U.S. Men’s team, which devised a new approach to the team pursuit event; and Nils van der Poel, a Swedish skater who created a new training plan that defied... View Details

Keywords: Sports; Disruptive Innovation; Innovation Strategy; Competitive Strategy; Competitive Advantage; Sports Industry; United States; Sweden; Netherlands; Norway

2025
Article

Statistical Inference for Heterogeneous Treatment Effects Discovered by Generic Machine Learning in Randomized Experiments

By: Kosuke Imai and Michael Lingzhi Li

Researchers are increasingly turning to machine learning (ML) algorithms to investigate causal heterogeneity in randomized experiments. Despite their promise, ML algorithms may fail to accurately ascertain heterogeneous treatment effects under practical settings with... View Details

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November 2024
Article

The Health Costs of Cost Sharing

By: Amitabh Chandra, Evan Flack and Ziad Obermeyer

What happens when patients suddenly stop their medications? We study the health consequences of drug interruptions caused by large, abrupt, and arbitrary changes in price. Medicare’s prescription drug benefit as-if-randomly assigns 65-year-olds a drug budget as a... View Details

Keywords: Outcome or Result; Health Care and Treatment; Budgets and Budgeting; Cost

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October 2024 (Revised October 2024)
Case

Kering Eyewear

By: Rohit Deshpandé, Dante Roscini and Elena Corsi

In June 2024, Roberto Vedovotto, CEO of Kering Eyewear, prepared to discuss the future of the recently acquired brands LINDBERG, a Danish optical eyewear brand, and Maui Jim, an American sunglasses brand. Vedovotto founded Kering Eyewear in 2014, convincing... View Details

Keywords: Marketing Strategy; Brands and Branding; Product Marketing; Fashion Industry; Apparel and Accessories Industry; Consumer Products Industry; Italy; Europe

October 2024
Module Note

Purpose of the Firm

By: Debora L. Spar and Julia M. Comeau

Purpose of the Firm (PoF) is a short module designed to explore how, and under what circumstances, business leaders can harness the power of capitalism and markets to “make a difference in the world”—that is, to address a significant societal problem as a commercial... View Details

Keywords: Social Accounting; Purpose; Corporate Social Responsibility and Impact; Social Enterprise; Mission and Purpose; Leadership

October 16, 2024
Article

Physicians Can Help Cut Costs. They Just Need the Right Incentives.

By: Susanna Gallani and Derek A. Haas

Health care organizations have long tried to enlist physicians in their effort to control or reduce costs. One effective means for doing so is to create an incentive system that rewards physicians for their contributions. To design such a system, organizations should... View Details

Keywords: Cost; Motivation and Incentives; Compensation and Benefits; Health Industry

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October 2024
Course Overview Note

Risks, Opportunities, and Investments in the Era of Climate Change (ROICC)

By: George Serafeim

This course overview note introduces the course Risks, Opportunities, and Investments in the Era of Climate Change to students. View Details

Keywords: Climate Change; Sustainability; Environment; Innovation; Technology; Management; General Management; Organizational Transformations; Investments; Entrepreneurship; Strategy; Finance; Accounting; Leadership

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

Keywords: Investment Funds; Investment Portfolio; Investment Return; Price Bubble; Financial Reporting; Financial Liquidity

SSRN

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2024
Working Paper

When Batteries Meet Hydrogen: Dual-Storage Investments for Load-Shifting Purposes

By: Christian Kaps and Simone Marinesi

Power systems account for nearly 40% of global emissions. As the world tries to reduce emissions by increasing renewable penetration, storage technologies are playing an increasingly important role in matching variable renewable supply with demand. Batteries have... View Details

Keywords: Environmental Sustainability; Renewable Energy; Transition; Utilities Industry; Battery Industry

SSRN

September 2024
Supplement

Wemade: (Re)Establishing Trust in Blockchain Games (B)

By: Jung Koo Kang, Charles CY 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

Keywords: Blockchain; Cryptocurrency; Crypto Economy; Video Games; Accounting; Financial Reporting; Revenue Recognition; Games, Gaming, and Gambling; Corporate Disclosure; Information Technology; Accounting Industry; South Korea

September 2024
Case

Faena: Magic in Mid-Miami Beach

By: Robin Greenwood, Denise Han, Dave Habeeb and Ruth Page

The link to this multimedia case should be provided to students in advance as preparation for classroom case discussion.

This multimedia case follows real estate developer Alan Faena as he expanded his luxury development business from Argentina to the... 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

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September 2024
Exercise

Assessing the Value of Unifying and De-Duplicating Customer Data

By: Elie Ofek and Hema Yoganarasimhan

This exercise provides an opportunity for students to gain hands on experience with assessing the value of unifying various customer databases that a firm may have (e.g., across the different brands it markets) and of properly identifying customers to avoid duplication... View Details

Keywords: Customer Relationship Management; Measurement and Metrics; Analytics and Data Science; Value

September 2024
Article

Activist Directors: Determinants and Consequences

By: Ian D. Gow, Sa-Pyung Sean Shin and Suraj Srinivasan

This paper examines determinants and consequences of hedge fund activism, focusing on activist directors, i.e., directors appointed in response to activist demands. Using a sample of 3,259 activism events from 2004 to 2016, we identify 1,623 activist directors.... View Details

Keywords: Governing and Advisory Boards; Investment Activism; Business and Shareholder Relations

2024
Working Paper

Finance Without Exotic Risk

By: Pedro Bordalo, Nicola Gennaioli, Rafael La Porta and Andrei Shleifer

We address the joint hypothesis problem in cross-sectional asset pricing by using measured analyst expectations of earnings growth. We construct a firm-level measure of Expectations Based Returns (EBRs) that uses analyst forecast errors and revisions and shuts down any... View Details

Keywords: Investment Return; Financial Markets; Behavioral Finance; Risk and Uncertainty

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August 2024
Case

The Walt Disney Company: Management Guidance

By: Joseph Pacelli and James Weber

In November 2023, financial analyst Aurora Fee was forecasting The Walt Disney Company’s earnings and stock price, with the goal of providing an investment recommendation to her clients. Disney, one of the world’s largest media and entertainment companies, had just... View Details

Keywords: Valuation; Accounting; Investment; Communication; Forecasting and Prediction; Business Earnings; Growth and Development Strategy; Financial Services Industry; Entertainment and Recreation Industry; United States