Publications

01 May 2020
In Practice

COVID-19’s Hard Lessons Might Prepare Business for Climate Change

stressed. In the long run, I hope that companies will emerge from the crisis with a renewed appreciation for the importance of paying attention to the potential for catastrophic risks such as climate change,... View Details

Keywords: by Danielle Kost

09 Nov 2022
In Practice

COP27: What Can Business Leaders Do to Fight Climate Change Now?

The US government’s newly passed Inflation Reduction Act will direct $370 billion toward advancing renewal energy and reducing greenhouse gas emissions—the country's largest investment in fighting climate change so far. As business and government leaders around the... View Details

Keywords: by Lynn Schenk and Danielle Kost

December 2024
Supplement

Northvolt: Building Batteries to Fight Climate Change (B)

By: George Serafeim, Debora L. Spar, Peter Tufano, Hugo Etchegoyhen and Emilie Billaud

The (B) case explores Northvolt’s Chapter 11 bankruptcy filing on November 21, 2024, highlighting the company’s struggles to scale operations amid a global EV market slowdown and internal production challenges. While the (A) case detailed Northvolt’s ambitious... View Details

Keywords: Batteries; Electric Vehicles; Climate Change; Corporate Social Responsibility and Impact; Energy; Green Technology; Insolvency and Bankruptcy; Investment; Technological Innovation; Risk Management; Failure; Business and Government Relations; Business and Shareholder Relations; Transportation; Green Technology Industry; Europe; Sweden

November 2009
Article

Responding to Public and Private Politics: Corporate Disclosure of Climate Change Strategies

By: Erin Marie Reid and Michael W. Toffel

The challenges associated with climate change will require governments, citizens, and firms to work collaboratively to reduce greenhouse gas emissions, a task that requires information on companies' emissions levels, risks, and reduction opportunities. This paper... View Details

Keywords: Climate Change; Problems and Challenges; Pollutants; Risk and Uncertainty; Business and Shareholder Relations; Management Practices and Processes; Social Issues; Corporate Disclosure; Values and Beliefs; Governing Rules, Regulations, and Reforms; Government and Politics

Find at Harvard

16 Oct 2013
Op-Ed

Response to Readers: Combating Climate Change with Nuclear Power and Fracking

With more than 7,500 views and 180-plus tweets, I want to thank everyone for taking the time to read the original HBS Working Knowledge piece, The Case for Combating Climate Change with Nuclear Power and Fracking, and, in particular, for... View Details

Keywords: by Joe Lassiter; Energy; Utilities

23 Mar 2023
Research & Ideas

As Climate Fears Mount, More Investors Turn to 'ESG' Funds Despite Few Rules

Investor interest in social responsibility has skyrocketed in the past three years, even as US regulations to hold companies accountable remain in flux and the environmental, social, and governance (ESG) label itself draws backlash. Investors are willing to pay a... View Details

Keywords: by Rachel Layne; Financial Services

24 Sep 2014
Op-Ed

Stop Thinking of Climate Change as a Religious or Political Issue

our bets, or buying insurance, or educating ourselves about the risks so that we can make better-informed decisions in the future. We use these approaches because they work. And in dealing with climate... View Details

Keywords: by Forest Reinhardt; Energy; Utilities

2013
Working Paper

How Does Risk Management Influence Production Decisions? Evidence from a Field Experiment

By: Shawn Cole, Xavier Gine and James Vickery

Weather is a key source of income risk, particularly in emerging market economies. This paper uses a randomized controlled trial involving a sample of Indian farmers to study how an innovative rainfall insurance product affects production decisions. We find that... View Details

Keywords: Risk Management; Production; Weather; Insurance; Emerging Markets; Agribusiness; Insurance Industry; Agriculture and Agribusiness Industry; India

July 2023 (Revised May 2024)
Case

Vytal: Packaging-as-a-Service

By: George Serafeim, Michael W. Toffel, Lena Duchene and Daniela Beyersdorfer

The Germany-based startup Vytal operated the largest digital-native reusable packaging-as-a-service network globally, having raised nearly €15 million, established a large network of restaurant partners, and prevented the use of millions of single-use take-out food... View Details

April 3, 2016
Guest Column

The Power of C.E.O. Activism: How Politically Outspoken Executives Sway Public (and Consumer) Opinion

By: Aaron K. Chatterji and Michael W. Toffel

Some CEOs are making news by taking public stances on controversial social issues largely unrelated to their core business. This article summarizes the insights from our research paper that shows that such "CEO activism" can influence public opinion and consumer... View Details

January 2025
Supplement

Hippo: Weathering the Storm of the Home Insurance Crisis (B)

By: Lauren Cohen, Grace Headinger and Sophia Pan

Rick McCathron, CEO of Hippo, was optimistic about the InsurTech's path to profitability after navigating the financial uncertainties of 2022. By bundling their home insurance services with third-parties and established insurance incumbents, Hippo was adopting a... View Details

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

2022
Working Paper

The Issuance and Design of Sustainability-linked Loans

By: Maria Loumioti and George Serafeim

Sustainability-linked loans (i.e., syndicated loans for which pricing is linked to a sustainability performance indicator) have rapidly evolved into a significant private debt product. We find that sustainability-linked lending has been available mostly to borrowers... View Details

Keywords: Sustainability; Sustainability Management; Credit Products; Loan Contracts; Loans; Corporate Finance; Credit Risk; Environment; ESG; ESG Ratings; Climate Change; Finance; Borrowing and Debt; Risk and Uncertainty; Credit

SSRN

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

Keywords: Analysis; Climate Change; Insurance; Governing and Advisory Boards; Risk Management; Adaptation; Financial Services Industry; Insurance Industry; Europe; United Kingdom

2017
Working Paper

Why and How Investors Use ESG Information: Evidence from a Global Survey

By: Georgios Serafeim

Using survey data from a sample of senior investment professionals from mainstream (i.e., not SRI funds) investment organizations, we provide insights into why and how investors use reported environmental, social, and governance (ESG) information. The primary reason... View Details

Keywords: Investment Management; Sustainability; ESG; ESG (Environmental, Social, Governance) Performance; Investment Fund; Investment Strategy; Corporate Accountability; Activist Shareholder; Engagement; Environment; Climate Change; Customers; Customer Satisfaction; Employee Engagement; Global Warming; Investment; Decision Making; Environmental Sustainability; Performance Expectations

SSRN

February 2010 (Revised April 2011)
Case

The Political Economy of Carbon Trading

By: Forest L. Reinhardt, J. Gunnar Trumbull, Mikell Hyman, Patia McGrath and Nazli Zeynep Uludere

Global climate change is an increasingly prominent political and business problem. Design of market-based systems to reduce carbon emissions has proven difficult. More broadly, national attempts to comply with the provisions of the Kyoto Protocol present both... View Details

Keywords: Policy; International Relations; Risk Management; Agreements and Arrangements; Business and Government Relations; Natural Environment; Pollutants; Climate Change; Environmental Sustainability; Public Administration Industry

June 2022 (Revised August 2022)
Case

Sustainability Reporting at Dollar Tree, Inc.

By: Suraj Srinivasan and Li-Kuan Ni

The cases discusses the ESG strategy of Dollar Tree Inc., a U.S. Fortune 500 company in the deep discount retail industry and the and shareholder pressure faced by the company. In 2022, the company faced a shareholder resolution from a renowned shareholder advocacy... View Details

Keywords: ESG; Sustainability; Shareholder Activism; Dollar Tree; Sustainability Reporting; ESG Reporting; Board Of Directors; Shareholder Engagement; GHG; Environmental Accounting; Integrated Corporate Reporting; Trends; Communication; Announcements; Voting; Environmental Management; Climate Change; Environmental Sustainability; Values and Beliefs; Corporate Accountability; Corporate Disclosure; Corporate Governance; Governing Rules, Regulations, and Reforms; Policy; Reports; Business or Company Management; Risk Management; Corporate Social Responsibility and Impact; Outcome or Result; Strategic Planning; Business and Stakeholder Relations; Situation or Environment; Opportunities; Civil Society or Community; Social Issues; Public Opinion; Strategy; Adaptation; Alignment; Business Strategy; Corporate Strategy; Value Creation; Retail Industry; United States; Virginia