Publications
Publications
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- All HBS Web
(120,179)
- Faculty Publications (350)
- 2022
- Article
Diffusing Management Practices within the Firm: The Role of Information Provision
By: Michael J. Lenox and Michael W. Toffel
Why are some firms more successful in adopting profitable environmental management practices than others? A key role of corporate managers is to encourage subsidiaries to adopt innovative practices. We examine the conditions under which corporate managers use... View Details
- August 2022 (Revised October 2022)
- Case
Sian Flowers: Fresher by Sea?
By: Willy C. Shih, Michael W. Toffel and Pippa Tubman Armerding
The setting for this case is the Sian Flowers, a company headquartered in Kitengela, Kenya that exports roses to predominantly Europe. Because cut flowers have a limited shelf life and consumers want them to retain their appearance for as long as possible, Sian or its... View Details
- 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
- July 2022 (Revised November 2022)
- Case
Building a Mishap-Free U.S. Navy
In 2021, Kevin “Bud” Couch, a retired Navy captain who was now working as a civilian employee of the Navy Safety Center, was trying to determine how best to reduce the risk of Navy mishaps. The Navy had experienced a series of major mishaps in 2017 that had led to a... View Details
Keywords: National Security; Safety; War; Ship Transportation; Risk Management; Operations; Singapore; Tokyo; San Diego
- July 2022
- Case
FIJI Water: Carbon Negative? (Abridged)
By: Michael W. Toffel, George Serafeim, Francesca Gino, Stephanie Van Sice and Tom Quinn
In the midst of increasing press scrutiny of the bottled water industry’s environmentally harmful practices, FIJI Water made a series of sustainability promises. The boldest of these was a pledge to go “carbon negative.” The company said that not only would they offset... View Details
Keywords: Carbon Footprint; Carbon Offsetting; Environmental Accounting; Climate Change; Environmental Sustainability; Pollution; Cross-Cultural and Cross-Border Issues; Misleading and Fraudulent Advertising; Non-Governmental Organizations; Brands and Branding; Food and Beverage Industry; Fiji; United States
- 18 May 2021
- Interview
How Georgia State University Increased Graduation Rates
- 25 Jan 2022
- Interview
How Footwear Startup Allbirds Is Decarbonizing Fashion
- December 2021
- Teaching Note
Intenseye: Powering Workplace Health and Safety with AI
By: Michael W. Toffel and Youssef Abdel Aal
Teaching Note for HBS Case No. 622-037. View Details
- December 2021 (Revised February 2025)
- Supplement
Intenseye: Powering Workplace Health and Safety with AI – PowerPoint Supplement
By: Michael W. Toffel, Youssef Abdel Aal and Sadika El Hariri
- October 2021
- Article
Shareholder Activism and Firms' Voluntary Disclosure of Climate Change Risks
By: Caroline Flammer, Michael W. Toffel and Kala Viswanathan
This paper examines whether—in the absence of mandated disclosure requirements—shareholder activism can elicit greater disclosure of firms’ exposure to climate change risks. We find that environmental shareholder activism increases the voluntary disclosure of climate... View Details
Keywords: Transparency; Reporting; Shareholder Engagement; Shareholder Activism; Climate Change; Risk and Uncertainty; Environmental Management; Investment Activism; Corporate Disclosure; Communication Strategy; Information Publishing; Measurement and Metrics; Corporate Social Responsibility and Impact; Problems and Challenges; United States
- August 2021 (Revised October 2024)
- Case
Allbirds: Decarbonizing Fashion (A)
By: Michael W. Toffel, Kenneth P. Pucker and Eren Kuzucu
The Allbirds: Decarbonizing Fashion (A) case introduces Allbirds as a footwear startup not only focused on simple design, comfort, and sustainable natural materials but on decarbonizing the wider fashion industry. Background material highlights the growing... View Details
Keywords: Decarbonization; Climate Impact; Environmental Strategy; Innovation; Product Design; Supply Chain Management; Innovation Strategy; Innovation and Management; Product Development; Climate Change; Environmental Management; Environmental Sustainability; Apparel and Accessories Industry; Fashion Industry; United States; California
- August 2021 (Revised November 2024)
- Case
Intenseye: Powering Workplace Health and Safety with AI (A)
By: Michael W. Toffel and Youssef Abdel Aal
Intenseye was a Turkey-based technology startup that deployed machine learning algorithms to workplace camera feeds in order to identify unsafe worker actions and unsafe working conditions, in order to help improve worker safety. The case describes how Intenseye’s... View Details
- 18 May 2021
- Panel Discussion
Lloyd's Register Supply Chain Webinar: What Trends Are Influencing the Future of Supply Chain Assurance?
- April 22, 2021
- Article
Shareholders Are Pressing for Climate Risk Disclosures. That's Good for Everyone
By: Caroline Flammer, Michael W. Toffel and Kala Viswanathan
Does shareholder activism induce firms to voluntarily disclose climate change risks? And how do markets respond to these disclosures? New research finds that the extent of climate-risk disclosure increases by approximately 4.6% for each environment-related proposal... View Details
- March 2021 (Revised October 2021)
- Supplement
Student Success at Georgia State University
By: Michael W. Toffel, Robin Mendelson and Julia Kelley
- March 2021 (Revised September 2021)
- Teaching Note
Student Success at Georgia State University
By: Michael W. Toffel, Robin Mendelson and Julia Kelley
- Article
Manage the Suppliers That Could Harm Your Brand: Know When to Avoid, Engage, or Drop Them
By: Jodi L Short and Michael W. Toffel
The pandemic has placed a new spotlight on working conditions in factories that supply global companies. To avert problems, firms often impose codes of conduct on their suppliers and perform audits to assess compliance. Do these measures help identify unethical... View Details
Keywords: Auditing; Agency Cost; Quality And Safety; Quality Management System; Quality Management; Unions; Environmental Management; Globalization; Goods and Commodities; Governance; Labor; Labor Unions; Wages; Working Conditions; Operations; Supply Chain; Safety; Quality; China; Bangladesh; Asia; Pakistan
- February 2021
- Tutorial
Assessing Prediction Accuracy of Machine Learning Models
By: Michael Toffel and Natalie Epstein
This video describes how to assess the accuracy of machine learning prediction models, primarily in the context of machine learning models that predict binary outcomes, such as logistic regression, random forest, or nearest neighbor models. After introducing and... View Details
- February 2021
- Tutorial
T-tests: Theory and Practice
This video provides an introduction to hypothesis testing, sampling, t-tests, and p-values. It provides examples of A/B testing and t-testing to assess whether difference between two groups are statistically significant. This video can be assigned in conjunction with... View Details
- 8 Jan 2021
- Interview
Talk Green, Play Dirty: Corporate America's Mixed Record
By: Michael W. Toffel and Greg Dalton