Publications

November 2023
Case

Apple Inc. in 2023

By: David B. Yoffie and Sarah von Bargen

Under CEO Tim Cook, Apple became the first trillion dollar market cap company, the first two trillion dollar company, and the first three trillion dollar company. Since the COVID pandemic, Apple gained over 20% of the world smartphone market and 50% of the U.S. market,... View Details

Keywords: Competitive Advantage; Product Positioning; Emerging Markets; Competitive Strategy; Technological Innovation; Revenue; Technology Industry

October 2023 (Revised March 2024)
Case

KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing

By: George Serafeim, Siko Sikochi and Namrata Arora

The problem was massive: two million hectares of African forests were lost annually to charcoal production for cooking, an area equivalent to 13 times Greater London, resulting in one billion tons of carbon emissions yearly. At the same time, an estimated 700,000... View Details

Keywords: Clean Tech; Digital; Carbon Credits; Carbon Offsetting; Climate Change; Entrepreneurship; Energy Sources; Environmental Sustainability; Health; Market Design; Business Startups; Transition; Environmental Regulation; Policy; Energy Industry; Consumer Products Industry; Africa; Kenya; Rwanda

October 2023 (Revised January 2024)
Case

McDonald's Board of Directors (A)

By: Lynn S. Paine and Will Hurwitz

In October 2019, the McDonald’s Corporation board of directors, chaired by Enrique Hernandez, Jr., gathered to learn the results of their outside counsel’s investigation into the conduct of the CEO. On the surface, the iconic fast-food chain was thriving as growing... View Details

August 2023 (Revised January 2024)
Supplement

Arla Foods: Data-Driven Decarbonization (A)

By: Michael Parzen, Michael W. Toffel, Amram Migdal and Susan Pinckney

Arla implemented a data-based price incentive system to measure, track, and influence climate friendly changes to reduce CO2 emissions across the world’s fourth largest dairy cooperative. View Details

Keywords: Dairy Industry; Business Earnings; Earnings Management; Environmental Accounting; Agribusiness; Animal-Based Agribusiness; Acquisition; Mergers and Acquisitions; Decision Making; Decisions; Voting; Environmental Management; Climate Change; Environmental Regulation; Environmental Sustainability; Green Technology; Pollution; Moral Sensibility; Values and Beliefs; Financial Strategy; Price; Profit; Revenue; Food; Geopolitical Units; Global Strategy; Ownership Type; Cooperative Ownership; Performance Efficiency; Performance Evaluation; Problems and Challenges; Natural Environment; Science-Based Business; Business Strategy; Commercialization; Cooperation; Corporate Strategy; Food and Beverage Industry; Agriculture and Agribusiness Industry; Europe; United Kingdom; European Union; Germany; Denmark; Sweden; Luxembourg; Belgium

August 2023 (Revised March 2024)
Case

Arla Foods: Data-Driven Decarbonization (A)

By: Michael Parzen, Michael W. Toffel, Susan Pinckney and Amram Migdal

The case describes Arla’s history, in particular its climate change mitigation efforts, and how it implemented a price incentive system to motivate individual farms to implement scope 1 greenhouse gas emissions mitigation measures and receive a higher milk price. The... View Details

August 2023 (Revised January 2024)
Supplement

Arla Foods: Data-Driven Decarbonization (B)

By: Michael Parzen, Michael W. Toffel, Susan Pinckney and Amram Migdal

The case describes Arla’s history, in particular its climate change mitigation efforts, and how it implemented a price incentive system to motivate individual farms to implement scope 1 greenhouse gas emissions mitigation measures and receive a higher milk price. The... View Details

2023
Working Paper

Much Ado About Nothing? Overreaction to Random Regulatory Audits

By: Samuel Antill and Joseph Kalmenovitz

Regulators often audit firms to detect non-compliance. Exploiting a natural experiment in the lobbying industry, we show that firms overreact to audits and this response distorts prices and reduces welfare. Each year, federal regulators audit a random sample of... View Details

Keywords: Governance Compliance; Governing Rules, Regulations, and Reforms; Price

SSRN

2023
Working Paper

The Market for Sharing Interest Rate Risk: Quantities and Asset Prices

By: Ishita Sen, Umang Khetan, Jane Li and Ioana Neamtu

We study the extent of interest rate risk sharing across the financial system using granular positions and transactions data in interest rate swaps. We show that pension and insurance (PF&I) sector emerges as a natural counterparty to banks and corporations: overall,... View Details

Keywords: Interest Rates; Investment Funds; Banks and Banking; Insurance; Investment Banking; Risk and Uncertainty

SSRN

November 2022 (Revised March 2023)
Case

OneSmart

By: Nien-he Hsieh, Meg Rithmire and Shu Lin

At the end of 2021, Xi “Steve” Zhang was facing an existential crisis for himself and his business. OneSmart was a premium educational company founded in 2008 offering K-12 afterschool tutoring for students nationwide under a number of brands. The company was founded... View Details

Keywords: Governing Rules, Regulations, and Reforms; Crisis Management; Failure; Education Industry; China

September 2022 (Revised May 2024)
Case

Navya: Steering toward a Driverless Future

By: Julian De Freitas, Elie Ofek, Shaun Ingledew and Tonia Labruyere

In 2022, Sophie Desormière arrived at French roboshuttle producer Navya, tasked with charting a new course in a challenging sector. The company, which had recently listed on the Paris Stock Exchange, was burning through cash reserves and needed to transform the promise... View Details

Keywords: Autonomous Vehicles; Market Entry and Exit; Opportunities; Governing Rules, Regulations, and Reforms; Consumer Behavior; Business Model; Auto Industry; Transportation Industry; France; United States

August 2022
Case

Air Wars: Deregulating the U.S. Airline Industry

By: Tom Nicholas and James Weber

In the early decades of the twentieth century, the U.S. government assisted in the development of an airline industry by subsidizing the delivery of mail and allowing mail carriers to also fly passengers. Because the government awarded mail routes to the lowest... View Details

2022
Working Paper

Markups to Financial Intermediation in Foreign Exchange Markets

By: Jonathan Wallen

On average from 2013 to 2020, foreign asset managers in net sold forward 1.1 trillion U.S. dollars. This forward sale of dollars hedges the currency mismatch of foreign investment in U.S. dollar assets. By accommodating this demand, U.S. and European banks earn an... View Details

Keywords: Foreign Exchange; Financial Intermediation; Arbitrage; Market Power; Regulations; Currency; Assets; Interest Rates; Banking Industry

Article

Regulating Hospital Prices Based on Market Concentration Is Likely to Leave High-Price Hospitals Unaffected

By: Maximilian J. Pany, Michael E. Chernew and Leemore S. Dafny

Concern about high hospital prices for commercially insured patients has motivated several proposals to regulate these prices. Such proposals often limit regulations to highly concentrated hospital markets. Using a large sample of 2017 US commercial insurance claims,... View Details

Keywords: Health Care Providers; Hospitals; Insurance Market Regulation; Price Regulation; Markets; Health Care and Treatment; Cost; Quality; Insurance; Price; Governing Rules, Regulations, and Reforms

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July 2021
Article

Material Sustainability Information and Stock Price Informativeness

By: Jody Grewal, Clarissa Hauptmann and George Serafeim

As part of the SEC’s revision of Regulation S-K, many investors proposed the mandatory disclosure of sustainability information in the form of environmental, social, and governance (ESG) data. However, progress is contingent on collecting evidence regarding which... View Details

Keywords: Voluntary Disclosure; Accounting Standards; Sustainability; Nonfinancial Information; Corporate Social Responsibility; Stock Price Informativeness; Synchronicity; Environmental Sustainability; Corporate Disclosure; Corporate Accountability; Stocks; Price; Corporate Social Responsibility and Impact; Accounting; Standards

SSRN

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July 2021
Article

Redistribution through Markets

By: Piotr Dworczak, Scott Duke Kominers and Mohammad Akbarpour

Policymakers frequently use price regulations as a response to inequality in the markets they control. In this paper, we examine the optimal structure of such policies from the perspective of mechanism design. We study a buyer-seller market in which agents have private... View Details

Keywords: Optimal Mechanism Design; Redistribution; Inequality; Welfare Theorems; Market Design; Equality and Inequality

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September 2020
Teaching Note

TransDigm in 2017: The Beginning of the End or the End of the Beginning?

By: Benjamin C. Esty and Daniel Fisher

Teaching Note for HBS Case No. 720-422. TransDigm was a highly acquisitive company that manufactured a wide range of highly engineered aerospace parts for both military and commercial customers. Over the ten years ending in 2016, its stock price had increase ten times,... View Details

September 2020
Case

Uber at a Crossroads (2017)

By: Ramon Casadesus-Masanell and Karen Elterman

This case describes the history of Uber, its business model—including the ways it differed from that of the traditional taxi industry—and its competition with Lyft. The case is set in 2017, a year in which Uber was plagued by even more scandals than usual, though its... View Details

August 2020 (Revised May 2021)
Case

PayPal: The Next Chapter

By: Michael Porter, Mark Kramer and Annelena Lobb

Can a social purpose and stakeholder capitalism confer a powerful competitive advantage in the age of COVID-19? For PayPal, the answer is yes. After spinning off from eBay in a 2015 IPO, the company declared its purpose as "democratizing financial services" by ensuring... View Details

Keywords: Mission and Purpose; Finance; Business and Stakeholder Relations; Social Entrepreneurship; Competitive Advantage; Financial Services Industry

June 2020
Supplement

TransDigm in 2017: Congressional Hearing on the DoD Inspector General’s Report (5/15/19)

By: Benjamin C. Esty

This video accompanies the case, “TransDigm in 2017: The Beginning of the End or the End of the Beginning?” View Details