Publications
Publications
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- All HBS Web
(2,299)
- Faculty Publications (411)
- November 2023 (Revised July 2024)
- Case
Aviva plc: Examining Net Zero
By: Peter Tufano, Brian Trelstad and Matteo Gasparini
The board of Aviva Plc, one of the world’s largest insurers, must review its climate risk exposures and evaluate next steps. Risk experts at the firm have conducted a robust set of analyses prepared for its regulator, the Bank of England, simulating how various climate... View Details
- 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
- Article
Stock Market Stimulus
By: Robin Greenwood, Toomas Laarits and Jeffrey Wurgler
We study the stock market effects of the arrival of the three rounds of “stimulus checks” to U.S. taxpayers and the single round of direct payments to Hong Kong citizens. The first two rounds of U.S. checks appear to have increased retail buying and share prices of... View Details
- September 2023
- Teaching Note
Apple’s iPhone Revolution: Pioneering the Circular Economy
By: George Serafeim
Teaching Note for HBS Case 123-089. The case describes the Trade-In system for iPhones that allow iPhones to be refurbished and reused or to be recycled. The case provides information for the students to analyze the financial attractiveness of the Trade-In system and... 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
Keywords: Dairy Industry; Business Earnings; 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 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
Keywords: Dairy Industry; Earnings Management; Environmental Accounting; Animal-Based Agribusiness; Mergers and Acquisitions; Decisions; Voting; Climate Change; Environmental Regulation; Environmental Sustainability; Green Technology; Pollution; Moral Sensibility; Values and Beliefs; Financial Strategy; Price; Profit; Revenue; Food; Geopolitical Units; Cross-Cultural and Cross-Border Issues; Global Strategy; Cooperative Ownership; Performance Efficiency; Performance Evaluation; Problems and Challenges; Natural Environment; Science-Based Business; Business Strategy; Commercial Banking; Cooperation; Corporate Strategy; Motivation and Incentives; Food and Beverage Industry; Agriculture and Agribusiness Industry; Europe; United Kingdom; European Union; Denmark; Sweden; Luxembourg; Belgium
- 2023
- Book
Precarious Ties: Business and the State in Authoritarian Asia
By: Meg Rithmire
Developing Asia has been the site of some of the last century's fastest growing economies as well as some of the world's most durable authoritarian regimes. Many accounts of rapid growth alongside monopolies on political power have focused on crony relationships... View Details
- July 2023 (Revised February 2024)
- Case
Clair
By: Lauren Cohen, Grace Headinger and Marcos Quirno
Clair was founded with a simple mission: to expedite America’s workers access to their hard-earned wages. In the headwinds of the COVID-19 pandemic, the startup had successfully raised a seed round of $4.5 million, and within two years the earned wage access (EWA)... View Details
- 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
- July 2023
- Article
The Old Boys' Club: Schmoozing and the Gender Gap
By: Zoë B. Cullen and Ricardo Perez-Truglia
Offices are social places. Employees and managers take breaks together and talk about
family and hobbies. In this study, we show that employees’ social interactions with their managers
can be advantageous for their careers, and that this phenomenon contributes to the... View Details
- 2023
- Book
The State and Capitalism in China
By: Meg Rithmire, Margaret M. Pearson and Kellee S. Tsai
This element explains China's political economic evolution from state socialist economy to a reform era state capitalism model to a more politicized, risk management approach we call "party-state capitalism." We emphasize the internal and external sources of perceived... View Details
- June 2023
- Case
Accounting for Loan Losses at JPMorgan Chase: Predicting Credit Costs
By: Jonas Heese, Jung Koo Kang and James Weber
The case examines the accounting for loan losses at a large bank, how a bank sets its Allowance for Loan and Lease Losses (ALLL) on its financial statements. ALLL, and the rules that set them, determine when banks would and would not extend loans, which significantly... View Details
- June 2023
- Article
The Salary Taboo: Privacy Norms and the Diffusion of Information
By: Zoë Cullen and Ricardo Perez-Truglia
The limited diffusion of salary information has implications for labor markets, such as wage discrimination policies and collective bargaining. Access to salary information is believed to be limited and unequal, but there is little direct evidence on the sources of... View Details
- April 2023 (Revised July 2023)
- Case
Fermenting Accounting Problems at Vermont Kombucha Corp.
By: Tatiana Sandino and Marshal Herrmann
Founded in 2005, Vermont Kombucha Corp. (V-Ko) was an early mover in the fledgling U.S. market for kombucha, a drink brewed for its health benefits. Early on, the company captured more than 90% of market share. Under the leadership of its founder and CEO, Joe Williams,... View Details
- March 2023 (Revised January 2024)
- Case
Nigeria: Africa's Giant
"Nigeria: Africa’s Giant" delves into the economic development and state building record of Africa’s most populous country. Despite being one of the continent’s largest oil-exporters, Nigeria’s economy has been struggling, and poverty is widespread. The country’s... View Details
- March 2023 (Revised March 2025)
- Case
Close Concerns: Diabetes Research and Advocacy
By: Regina Herzlinger and Brian L. Walker
Diagnosed with diabetes at the age of 18, Kelly Close understood the importance of balancing consistency and iteration. This principle had also informed her professional work, which started with a rapid promotion from financial analyst at Goldman Sachs to an analyst... View Details
- February 13, 2023
- Editorial
The Secret Tax on Women’s Time
By: Lauren C. Howe, Lindsay B. Howe and Ashley V. Whillans
When studies revealed the so-called pink tax, showing in 2015 that personal hygiene products “for her” cost 13% more than similar products for men, it caused outrage and action. The irony that women, despite generally having fewer financial resources than men, are... View Details
- February 2023
- Article
The Effect of Systems of Management Controls on Honesty in Managerial Reporting
By: Aishwarrya Deore, Susanna Gallani and Ranjani Krishnan
While budgetary controls with capital rationing are optimal in theory and widespread in practice, empirical research documents their association with higher employee dishonesty compared to budgetary controls without rationing. In this study, we examine whether... View Details