Publications

20 Aug 2015
News

Note to Amazon: Run More Tests on Workplace Practices

Keywords: Amazon; data testing; workplace environment; best practices

January 2016
Teaching Note

Groom Energy Solutions: Selling Efficiency

By: Michael W. Toffel, Kira Fabrizio and Stephanie van Sice

This case examines a start-up service provider that helps clients improve the energy efficiency of their factories, warehouses, and commercial and office spaces by integrating and installing lighting, heating, and cooling technologies. The company seeks to double... View Details

Keywords: Energy Efficiency; Energy Efficiency Paradox; Environment; Environmental Strategy; Growth; Energy; Energy Conservation; Entrepreneurship; Environmental Sustainability; Energy Industry

April 2025
Article

Corporate Ownership and ESG Performance

By: Belén Villalonga, Peter Tufano and Boya Wang

Using a sample of 3083 firms from 62 countries over 18 years, we analyze how the structure and identity of firms' material owners influence their Environmental, Social, and Governance (ESG) performance. We find that firms with founding families or other individual... View Details

Keywords: ESG; CSR; Family Firms; Social Responsibility; Environment; Sustainability; Ownership; Corporate Social Responsibility and Impact; Corporate Governance; Environmental Sustainability

Article

Accounting for Climate Change

By: Robert S. Kaplan and Karthik Ramanna

Corporations are facing growing pressure—from investors, advocacy groups, politicians, and even business leaders themselves—to reduce greenhouse gas (GHG) emissions from their operations and their supply and distribution chains. About 90% of the companies in the S&P... View Details

Keywords: Greenhouse Gas Mitigation; Social Accounting; E-liabilities; Business And The Environment; Climate Change; Corporate Social Responsibility and Impact; Environmental Sustainability

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December 2023
Article

Advances in Power-to-Gas Technologies: Cost and Conversion Efficiency

By: Gunther Glenk, Philip Holler and Stefan Reichelstein

Widespread adoption of hydrogen as an energy carrier is widely believed to require continued advances in Power-to-Gas (PtG) technologies. Here we provide a comprehensive assessment of the dynamics of system prices and conversion efficiency for three currently prevalent... View Details

February 2020 (Revised August 2021)
Case

Australia: Commodities, Competitiveness, Climate and China

By: Richard H.K. Vietor and Laura Alfaro

For the past few decades, Australia has dealt with the benefits and costs of repeated mining booms—inflation, a housing bubble, a current account deficit, and growing dependence on China. Between 1996 and 2007, however, Australia had most of these issues under control... View Details

Keywords: Commodities; Competitiveness; Carbon Tax; Environment; Capital Flows; Current Account; Mining; Economy; Problems and Challenges; Climate Change; Taxation; Competition; Financial Condition; Government and Politics; Inflation and Deflation; Environmental Sustainability; Australia

Editorial

ExxonMobil's Shareholder Vote Is a Tipping Point for Climate Issues

By: George Serafeim and Sakis Kotsantonis

Keywords: Climate Change; Board Of Directors; Corporate Governance; Investments; Environment

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Research Summary

Corporate transparency and information disclosure strategies

By: Michael W. Toffel

This research focuses on transparency and information disclosure strategies, a topic of growing importance in environmental sustainability, corporate strategy, stakeholder relations, and public policy. My prior research in this area explored why... View Details

Keywords: Transparency; Disclosure Strategy; Disclosure; Environment; Environmental Performance; Regulation; Supply Chain; Environmental Sustainability; United States

June 2024
Simulation

Vehicle Lifecycle Emissions Calculator

By: Mike Toffel, Shirley Lu and George Serafeim

This Vehicle Lifecycle Emissions Calculator calculates the greenhouse gas emissions over the lifespan of internal combustion engine (ICEs) vehicles, battery electric vehicles (BEVs), and plug-in hybrid electric vehicles (PHEV), including those associated with their... View Details

Keywords: Decarbonization; Environment; Carbon Accounting; Carbon; Carbon Abatement; Electric Vehicles; Automobiles; Environmental Accounting; Environmental Management; Environmental Sustainability; Strategy; Technological Innovation; Supply Chain; Business and Stakeholder Relations; Climate Change; Transportation; Transportation Industry; Auto Industry; Battery Industry

March 2022
Teaching Note

Getting Brexit Done

By: Alberto Cavallo

Teaching Note for HBS Case No. 720-023. View Details

Keywords: Brexit; European Union; Integration; Trade; UK; Free Trade Agreements Environment

2023
Working Paper

Advances in Power-to-Gas Technologies: Cost and Conversion Efficiency

By: Gunther Glenk, Philip Holler and Stefan Reichelstein

Widespread adoption of hydrogen as an energy carrier is widely believed to require continued advances in Power-to-Gas (PtG) technologies. Here we provide a comprehensive assessment of the dynamics of system prices and conversion efficiency for three currently prevalent... View Details

Keywords: Clean Tech; Decarbonization; Carbon Emissions; Learning By Doing; Environment; Energy; Environmental Management; Sustainable Cities; Price; Energy Industry; Utilities Industry; Industrial Products Industry; Manufacturing Industry; Transportation Industry; Europe; North America; South America; Africa; Asia

SSRN

2021
Article

ThreeDWorld: A Platform for Interactive Multi-Modal Physical Simulation

By: Chuang Gan, Jeremy Schwartz, Seth Alter, Damian Mrowca, Martin Schrimpf, James Traer, Julian De Freitas, Jonas Kubilius, Abhishek Bhandwaldar, Nick Haber, Megumi Sano, Kuno Kim, Elias Wang, Michael Lingelbach, Aidan Curtis, Kevin Feigelis, Daniel M. Bear, Dan Gutfreund, David Cox, Antonio Torralba, James J. DiCarlo, Joshua B. Tenenbaum, Josh H. McDermott and Daniel L.K. Yamins

We introduce ThreeDWorld (TDW), a platform for interactive multi-modal physical simulation. TDW enables simulation of high-fidelity sensory data and physical interactions between mobile agents and objects in rich 3D environments. Unique properties include: real-time... View Details

Keywords: Artificial Intelligence; Platform; Interactive Physical Simulation; Virtual Environment; Multi-modal; AI and Machine Learning

19 Mar 2024
HBS Seminar

Andrew J. Hoffman, Holcim (US) Professor of Sustainable Enterprise Ross School of Business/School for Environment & Sustainability University of Michigan & 2023-2024 Visiting Fellow, The Institute for the Study of Business in Global Society Harvard Business School

August 2012 (Revised June 2017)
Case

Australia: Commodities and Competitiveness

By: Richard H.K. Vietor and Laura Alfaro

For the past few decades, Australia has dealt with the benefits and costs of repeated mining booms—inflation, a housing bubble, a current account deficit and growing dependence on China. Between 1996 and 2007, however, Australia had most of these issues under control... View Details

Keywords: Commodities; Competitiveness; Carbon Tax; Environment; Capital Flows; Current Account; Mining; Economy; Problems and Challenges; Australia

March–April 2016
Article

Scrutiny, Norms, and Selective Disclosure: A Global Study of Greenwashing

By: Christopher Marquis, Michael W. Toffel and Yanhua Zhou

Under increased pressure to report environmental impacts, some firms selectively disclose relatively benign impacts, creating an impression of transparency while masking their true performance. We identify key company- and country-level factors that limit firms' use of... View Details

Keywords: Disclosure Strategy; Disclosure; Environmental Performance; Environmental Strategy; Environment; Symbolic; Reporting; Corporate Disclosure; Integrated Corporate Reporting; Corporate Social Responsibility and Impact

2020
Working Paper

How ESG Issues Become Financially Material to Corporations and Their Investors

By: George Serafeim

Management and disclosure of environmental, social and governance (ESG) issues have received substantial interest over the last decade. In this paper, we outline a framework of how ESG issues become financially material, affecting corporate profitability and valuation.... View Details

SSRN

June 2013 (Revised June 2014)
Case

Valero Energy Corporation and Tight Oil

By: Richard H.K. Vietor, Eric Adamson, Aaron Byrd, Ned Chiverton, Mariko Meier and Rob Rain

Valero Energy, an incredibly successful US refiner, needs to make some decisions about tight oil. As production of light tight oil increases—from Eagle Ford, Bakken and elsewhere—Valero considers whether to add topping capacity to handle it, on top of its recent... View Details

Keywords: Petroleum; Oil ＆ Gas; Energy; Environment; Refining; Globalization; Tight Oil; Strategy; Natural Environment; Demand and Consumers; Supply and Industry; Policy; Energy Sources; Energy Industry; United States

March 2017 (Revised June 2019)
Case

CEO Activism (A)

By: Michael W. Toffel, Aaron K. Chatterji and Julia Kelley

This case introduces CEO activism, a phenomenon in which business leaders engage in political or social issues that do not relate directly to their companies. The case uses several examples to describe why business leaders are engaging in CEO activism and the potential... View Details