Publications
Publications
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- All HBS Web
(1,312)
- Faculty Publications (162)
- October 2023 (Revised November 2023)
- Case
Recycle & Re-Match: The Future of Soccer Turfs
By: George Serafeim, Lena Duchene and Carlota Moniz
By August 2023, Re-Match, an artificial turf waste-to-value company, had operations in Denmark and the Netherlands and had recycled over 160,000 tons of waste and plastic fiber. With recent capital injection from the VC firm Verdane and a dual revenue business model,... View Details
Keywords: Carbon Emissions; Carbon Abatement; Sustainability; Recycling; Waste Management; Technology; Entrepreneurial Management; Business Growth and Maturation; Business Model; Decisions; Energy Conservation; Investment Return; Profit; Technological Innovation; Patents; Growth and Development Strategy; Market Entry and Exit; Digital Platforms; Wastes and Waste Processing; Business Strategy; Competition; Expansion; Technology Adoption; Sports; Environmental Sustainability; Entrepreneurship; Green Technology Industry; Service Industry; Manufacturing Industry; Rubber Industry; Sports Industry; Denmark; Netherlands; France; United States; Pennsylvania; Europe
- September 2023 (Revised March 2024)
- Case
ReMo Energy: Sizing Up Investors
By: Jeffrey J. Bussgang and Tom Quinn
In 2023, executives with ReMo Energy (founded 2020) were deciding which size ammonia plant to build as their first project. Their innovative model produced ammonia—useful for making fertilizer and for energy storage—from renewable energy, and they had received funding... View Details
Keywords: Factories, Labs, and Plants; Business Startups; Cost vs Benefits; Design; Energy Conservation; Energy Generation; Renewable Energy; Venture Capital; Investment Return; Goods and Commodities; Size; Infrastructure; Risk and Uncertainty; Science-Based Business; Commercialization; Technological Innovation; Energy Industry; Energy Industry; Energy Industry; United States; Boston
- August 2023 (Revised October 2024)
- Case
Accounting Outages at Plug Power? (A)
By: Jonas Heese, Joseph Pacelli and James Barnett
Set immediately after a December 2019 short-seller attack, the case explores Plug Power’s long challenging history. It then focuses on two key issues raised in the short-seller report related to lease accounting and stock warrants that Plug purportedly used to boost... View Details
- 2025
- Working Paper
Residential Battery Storage - Reshaping the Way We Do Electricity
By: Christian Kaps and Serguei Netessine
In this paper, we aim to understand when private households invest in behind-the-meter battery storage next to rooftop solar and how those batteries impact households, the electricity market, and emissions. We answer three main research questions: 1) When do customers... View Details
- 2025
- Working Paper
When Where Watt: Harnessing the Value of Time and Location for Renewable Electricity Generation
By: Vishrut Rana, Christian Kaps and Serguei Netessine
Problem definition: Investments in renewable energy have surged worldwide in recent years, with over $2 trillion spent globally on clean energy. This surge was driven by growing policy support, concerns about energy security, and, most importantly, the cost... View Details
- June 2023 (Revised April 2025)
- Case
Optimalen Capital
A new client portfolio manager at a quantitative investment management firm must explain why her firm, Optimalen Capital, has rebalanced a client portfolio with a set of trades that seem unintuitive. In particular, Optimalen has added to its position of Walmart (ticker... View Details
- June 2023
- Case
Investing in the Climate Transition at Neuberger Berman
By: George Serafeim and Benjamin Maletta
By mid-2023, Neuberger Berman (NB), an active asset manager, had grown its assets under management to about half a trillion dollars and took pride in its client centricity and innovative spirit. Responding to client demand for investment products that integrated... View Details
Keywords: Carbon Emissions; Sustainability; Decarbonization; Performance; Risk Assessment; Opportunities; Environmental Sustainability; Carbon Footprint; Business Analysis; Investing; Regulation; Asset Management; Investment Strategy; Climate Change; Transition; Analysis; Product Positioning; Strategy; Investment Portfolio; Energy Industry; Energy Industry
- May 2023
- Article
Decarbonizing Health Care: Engaging Leaders in Change
By: Vivian S. Lee, Kathy Gerwig, Emily Hough, Kedar Mate, Robert Biggio and Robert S. Kaplan
Health care leaders are often surprised to learn that their operations contribute
significantly to a warming climate. In addition to their roles as responders to and victims
of extreme weather events, health care organizations have an obligation to reduce... View Details
- April 2023 (Revised April 2025)
- Case
Eike Batista: Making or Breaking Brazil
By: Geoffrey Jones, Pedro Magalhães, Daniel Tong and Marcel Anduiza
This case explores the meteoric rise and fall of Eike Batista, once Brazil’s richest person and the world’s seventh wealthiest in 2012. Batista began his career by investing in gold mining in the Amazon, using the network his father had built after years serving as... View Details
- February 2023
- Article
Climate Solutions Investments
By: Alex Cheema-Fox, George Serafeim and Hui (Stacie) Wang
An increasing number of companies are providing products and services that help reduce carbon emissions in the economy. We develop a methodology to identify those companies and create a sample of publicly listed climate solutions companies allowing us to study their... View Details
- December 2022 (Revised May 2023)
- Case
Iberdrola: Leading the Energy Revolution
By: Juan Alcácer and Emer Moloney
At the end of 2019, Ignacio Galán, the Chairman and CEO of the world's third largest utility, Iberdrola, reflected on his almost 20 years at the company. He managed a portfolio of three very different businesses, each with their own specific opportunities and... View Details
Keywords: Energy; Energy Generation; Energy Sources; Non-Renewable Energy; Renewable Energy; Engineering; Innovation and Management; Innovation Leadership; Innovation Strategy; Technological Innovation; Leadership; Growth and Development Strategy; Market Timing; Industry Growth; Mission and Purpose; Strategy; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Spain; United Kingdom; United States; Brazil; Mexico
- October 2022 (Revised February 2024)
- Case
Masdar City: Aiming for Sustainable and Profitable Real Estate
By: Boris Vallee and Fares Khrais
Masdar City broke ground in 2008 and was conceived by the Abu Dhabi government to be an international beacon of innovation in sustainable energy and real estate. It was also to be a profitable investment for the government. At first glance, the two goals pulled in... View Details
Keywords: Analysis; Business Growth And Maturation; Decisions; Public Sector; Financial Crisis; Construction; Climate Change; Green Technology; Borrowing And Debt; Corporate Finance; Capital; Capital Budgeting; Capital Structure; Cost Of Capital; Equity; REIT; Financial Management; Financial Strategy; Initial Public Offering; Innovation; Growth And Development Strategy; Emerging Markets; Urban Development; Middle East; United Arab Emirates; Sustainable Cities; Green Building; Business and Government Relations; Decision Choices and Conditions; Financing and Loans; Energy Industry; Energy Industry; Energy Industry; Energy Industry; Abu Dhabi
- July 2022
- Case
David Crane’s Clean(er) Energy Strategy at NRG
By: George Serafeim, Michael W. Toffel and Tom Quinn
In 2015, David Crane was the CEO of NRG, the second-largest energy producer in the United States. NRG got most of its power from fossil fuels, but Crane – hired as CEO in 2003 as NRG emerged from bankruptcy – had invested heavily in alternative energy, loudly... View Details
- June 2022
- Case
PFA Pensions: The Climate Plus Product
By: Daniel Green, Victoria Ivashina and Alys Ferragamo
The case explores whether alternative investments play a unique role in achieving low carbon dioxide emissions at the portfolio level. This case is set in April of 2020 and follows Kasper Ahrndt Lorenzen, Chief Investment Officer, and Peter Tind Larsen, Head of... View Details
- February 2022
- Supplement
Agora (B)
By: Lindsay N. Hyde, Thomas R. Eisenmann and Tom Quinn
This is the conclusion to Agora (A), where founder Elsa Sze decides if she wants to continue investing energy in her civic technology startup.
Agora was a civic technology (civic tech) startup founded by Elsa Sze, who wanted to enhance the connection between... View Details
- January 2022 (Revised December 2022)
- Case
TotalEnergies’ Investment in Hyzon Motors
By: Vikram S. Gandhi and David Lane
In November 2021, Girish Nadkarni, the head of TotalEnergies’ corporate venture capital arm (TEV) was considering whether, and on what terms, to exit an investment in Hyzon Motors, a start-up supplier of hydrogen-powered trucks. TEV had invested $4 million in Hyzon,... View Details
- October 2021 (Revised May 2023)
- Case
Engine No. 1: An Impact Investing Firm Engages with ExxonMobil
By: Mark Kramer, Shawn Cole, Vikram S. Gandhi and T. Robert Zochowski
ExxonMobil, the world's fifth largest source of carbon emissions, remained committed to aggressively expanding its oil & gas business despite global warming. During the COVID pandemic this strategy resulted in massive losses as the price and demand for oil declined. ... View Details
- 2021
- Working Paper
Accounting for Product Impact in the Oil and Gas Industry
By: Katie Panella, George Serafeim and Katie Trinh
We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor companies within the oil and gas industry. We design a monetization methodology that allows us to calculate monetary product impact estimates of... View Details
Keywords: Product Innovation; Impact; Impact Investing; Impact Measurement; ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Corporate Responsibility; Corporate Social Responsibility; Social Impact; Oil; Oil ＆ Gas; Oil And Gas; IWAI; Impact-Weighted Accounts; Product Design; Product Positioning; Society; Environmental Sustainability; Corporate Social Responsibility and Impact; Product
- April 2021 (Revised July 2021)
- Case
Public Equities Impact Investing at BlackRock
By: Shawn A. Cole, Vikram S. Gandhi, Michael Norris and John Masko
In early 2021, BlackRock—the world’s largest asset manager with $9 trillion in assets under management (AUM)—sought to become a leader in promoting environmental and social sustainability. Over the previous ten years, CEO Larry Fink had written an annual open letter to... View Details
Keywords: Impact Investing; Renewable Energy; Climate Change; Environmental Sustainability; Equity; Corporate Social Responsibility and Impact; Financial Management; Investment Funds; Investment Return; Mission and Purpose; Organizational Change and Adaptation; Financial Services Industry; United States