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- All HBS Web
(994)
- News (138)
- Research (765)
- Multimedia (5)
- Faculty Publications (506)
- August 2023 (Revised July 2024)
- Technical Note
Power-to-X
By: Willy Shih, Michael W. Toffel and Kelsey Carter
To reduce greenhouse gas emissions that were contributing to climate change, the world needs to transition from fossil fuels to renewable energy sources. Power-to-X (PtX) refers to an array of processes that convert electricity (power) to various gaseous and liquid... View Details
Keywords: Environmental Strategies; Climate Change; Environmental Sustainability; Transition; Renewable Energy; Energy Industry
Shih, Willy, Michael W. Toffel, and Kelsey Carter. "Power-to-X." Harvard Business School Technical Note 624-038, August 2023. (Revised July 2024.)
- April 2024 (Revised April 2025)
- Supplement
Driving Decarbonization at BMW
- November 2022 (Revised April 2025)
- Teaching Note
Driving Decarbonization at BMW - Teaching Note
Teaching note in support of the case "Driving Decarbonization at BMW" (HBS No. 123-008) View Details
Keywords: Decarbonization; Environment; Sustainability; Carbon Accounting; Carbon; Carbon Abatement; Electric Vehicles; Automobiles; Transportation; Environmental Accounting; Accounting; Environmental Sustainability; Strategy; Technological Innovation; Supply Chain; Business and Stakeholder Relations; Climate Change; Transportation Industry; Auto Industry; Germany; Europe; China; United States
- October 2016 (Revised March 2017)
- Case
uberPOOL
By: Marco Iansiti, Michael W. Toffel and Amram Migdal
This case describes Uber's uberPOOL service, which let multiple Uber users who were headed in the same direction share a ride and pay substantially lower fares. View Details
Keywords: Uber; uberPOOL; Innovation and Invention; Disruptive Innovation; Innovation Strategy; Technological Innovation; Digital Platforms; Transportation; Transportation Networks; Information Technology Industry; Technology Industry; Transportation Industry
Iansiti, Marco, Michael W. Toffel, and Amram Migdal. "uberPOOL." Harvard Business School Case 617-009, October 2016. (Revised March 2017.)
- March 22, 2016
- Article
The Globalization of Corporate Environmental Disclosure: Accountability or Greenwashing?
By: Christopher Marquis, Michael W. Toffel and Yanhua Zhou
This article is a layman summary of "Scrutiny, Norms, and Selective Disclosure: A Global Study of Greenwashing," published in Organization Science 27, no. 2 (March–April 2016): 483–504. View Details
Keywords: Reporting; Environmental Performance; Civil Society; Corporate Disclosure; Integrated Corporate Reporting; Corporate Social Responsibility and Impact; Civil Society or Community; Environmental Sustainability
Marquis, Christopher, Michael W. Toffel, and Yanhua Zhou. "The Globalization of Corporate Environmental Disclosure: Accountability or Greenwashing?" Work In Progress (American Sociological Association blog) (March 22, 2016). (Reprinted as Environmental disclosure: corporate accountability or greenwashing?” LSE Business Review, June 9, 2016.)
- 2006
- Chapter
Designing Sustainability at BMW Group: The Designworks/USA Experience
By: Kellie McElhaney, Michael W. Toffel and Natalie Hill
McElhaney, Kellie, Michael W. Toffel, and Natalie Hill. "Designing Sustainability at BMW Group: The Designworks/USA Experience." In Strategic Sustainability: The State of the Art in Corporate Environmental Management Systems, edited by J. Sarkis and R. Sroufe. Sheffield, U.K.: Greenleaf Publishing, 2006.
- December 2022
- Supplement
Driving Decarbonization at BMW - Video Supplement
Videos of Thomas Becker, Vice President of Sustainability and Mobility at BMW Group, in support of the case "Driving Decarbonization at BMW" (HBS No. 123-008) View Details
Keywords: Decarbonization; Auto Manufacturing; Carbon Accounting; Accounting; Environmental Accounting; Energy; Environmental Management; Climate Change; Environmental Sustainability; Pollution; Product; Supply Chain; Supply Chain Management; Production; Product Design; Transportation; Transportation Industry; Europe; United States; China
Lu, Shirley, George Serafeim, and Michael W. Toffel. "Driving Decarbonization at BMW - Video Supplement." Harvard Business School Multimedia/Video Supplement 123-706, December 2022.
- March 2012 (Revised February 2013)
- Background Note
The Hybrid Vehicle Market
By: Michael W. Toffel and Nazli Z. Uludere Aragon
This note describes the hybrid electic vehicle market, the results of different automaker strategies, and the environmental regulatory issues that can promote or inhibit market growth in the United States. Introduces students to the technologies and regulatory aspects... View Details
Keywords: Competitive Strategy; Environmental Sustainability; Product Development; Information Technology; Governing Rules, Regulations, and Reforms; Auto Industry; Manufacturing Industry; Japan; United States
Toffel, Michael W., and Nazli Z. Uludere Aragon. "The Hybrid Vehicle Market." Harvard Business School Background Note 612-084, March 2012. (Revised February 2013.)
- 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
- 17 Jul 2014
- Panel Discussion
Monitoring the Monitors: How Social Factors Influence Supply Chain Auditors
By: Jodi L. Short and Michael W. Toffel
Keywords: CSR; Corporate Accountability; Corporate Social Responsibility; Outsourced Production; Outsourcing; Sustainability; Sustainability Management; Auditing; Audit Quality; Gender; Conflicts Of Interest; Bias; Apparel and Accessories Industry; Electronics Industry; Manufacturing Industry; China; India; Pakistan; Bangladesh; Mexico; Brazil; Viet Nam; Indonesia; Philippines; Sri Lanka; Taiwan; South Korea
Short, Jodi L., and Michael W. Toffel. "Monitoring the Monitors: How Social Factors Influence Supply Chain Auditors." Elevate Limited Webinar, July 17, 2014. (Webinar coordinated by Elevate Limited.)
- October 22, 2012
- Article
What Green Rankings Don't Tell You
By: Aaron K. Chatterji and Michael W. Toffel
Chatterji, Aaron K., and Michael W. Toffel. "What Green Rankings Don't Tell You." Daily Beast (October 22, 2012).
- May 30, 2012
- Blog Post
Government Regulation That Actually Works
By: David I. Levine and Michael W. Toffel
Levine, David I., and Michael W. Toffel. "Government Regulation That Actually Works." Harvard Business Review Blogs (May 30, 2012). http://blogs.hbr.org/cs/2012/05/government_regulation_that_act.html.
- May 2008 (Revised September 2009)
- Teaching Note
'Shad' Process Flow Design Exercise (TN)
By: Michael W. Toffel and Stephanie van Sice
This is a Teaching Note for 608-072. View Details
Keywords: Design
- Article
Improving Environmental Performance Assessment: Comparative Analysis of Weighting Methods used to Evaluate Chemical Release Inventories
By: Michael W. Toffel and Julian D. Marshall
Toffel, Michael W., and Julian D. Marshall. "Improving Environmental Performance Assessment: Comparative Analysis of Weighting Methods used to Evaluate Chemical Release Inventories." Journal of Industrial Ecology 8, nos. 1-2 (January 2004): 143–172.
- January 2011 (Revised December 2014)
- Teaching Note
Aspen Skiing Company (A), (B), (C), and (D)
By: Michael W. Toffel and Stephanie van Sice
Teaching Note for 611002, 611003, 611018, and 611019. Associated with Video Supplement 615704 and PowerPoint Supplement 615042. View Details
- July–August 2019
- Article
Coupling Labor Codes of Conduct and Supplier Labor Practices: The Role of Internal Structural Conditions
By: Yanhua Bird, Jodi L. Short and Michael W. Toffel
Exploitive working conditions have spurred companies to pressure their suppliers to adopt labor codes of conduct and to conform their labor practices to the standards set forth in those codes. Yet little is known about whether organizational structures such as codes... View Details
Keywords: Organization Theory; Economic Sociology; Social Responsibility; Sustainability; Auditing; Process Improvement; Organizational Structure; Corporate Social Responsibility and Impact; Supply Chain; Labor; Working Conditions
Bird, Yanhua, Jodi L. Short, and Michael W. Toffel. "Coupling Labor Codes of Conduct and Supplier Labor Practices: The Role of Internal Structural Conditions." Organization Science 30, no. 4 (July–August 2019): 847–867. (Best Paper Award at ComplianceNet Conference 2019, 2020 Responsible Research in Management Award Finalist.)
- November 2023 (Revised August 2024)
- Background Note
Life Cycle Assessment: An Overview
By: Willy C. Shih, Michael W. Toffel and Kelsey Carter
Life cycle assessment (LCA) is a holistic approach to quantifying the environmental impacts—including resources consumed and wastes produced—associated with the entire life cycle of a product, from the production or extraction of the raw materials used in its creation,... View Details
Keywords: Life-cycle; Environmental Performance; Design; Environmental Management; Environmental Sustainability; Climate Change; Measurement and Metrics; Standards; Accounting; Environmental Accounting
Shih, Willy C., Michael W. Toffel, and Kelsey Carter. "Life Cycle Assessment: An Overview." Harvard Business School Background Note 624-052, November 2023. (Revised August 2024.)
- 01 Oct 1996
- News
At HBS Workshop, New CEOs Tune Up for the Top
Last spring, a small, select group of new CEOs and CEO-designates from corporations with revenues of $1 billion or more came to Soldiers Field to participate in the second session of the New CEO Workshop, an HBS program led by Professor... View Details
Keywords: Jon Prestage
- September 2016 (Revised August 2018)
- Supplement
United Airlines: More Out-and-Back Flying?: Case Supplement #1
This spreadsheet supplement accompanies 617-010 United Airlines: More Out-and-Back Flying? and is intended to provide students with an opportunity to apply analysis concepts with real operational data. View Details
- September 20, 2024
- Article
It’s Time to Unbundle ESG
By: Aaron K. Chatterji and Michael W. Toffel
ESG is at an inflection point. It has come to represent a broad and inchoate aspiration for what business should be doing beyond maximizing shareholder value. With ESG advocates on the defensive, business leaders need a new roadmap to determine which factors to... View Details
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; ESG Reporting; ESG Disclosure; Sustainability; Climate; Climate Finance; Climate Risk; Social Accounting; Investment; Governance; Safety; Climate Change; Environmental Sustainability; Corporate Social Responsibility and Impact; Financial Services Industry
Chatterji, Aaron K., and Michael W. Toffel. "It’s Time to Unbundle ESG." Harvard Business Review (website) (September 20, 2024).