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- Article
Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement
By: George Serafeim and Aaron Yoon
We investigate whether ESG ratings predict future ESG news and the associated market reactions. We find that the consensus rating predicts future news, but its predictive ability diminishes for firms with large disagreement between raters. Relation between news and...
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Keywords:
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Disclosure;
ESG Ratings;
ESG Reporting;
ESG Disclosure Metrics;
Sustainability;
Investments;
Disagreement;
Rating Disagreement;
Ratings;
Environmental Sustainability;
Social Issues;
Corporate Social Responsibility and Impact;
Performance;
News;
Investment;
Financial Markets;
Stocks;
Price
- 2023
- Working Paper
The Crowdless Future? How Generative AI Is Shaping the Future of Human Crowdsourcing
The rapid advances in generative AI have the potential to reshape organizational innovation, raising uncertainty about the role of human solvers in this new era of augmented intelligence. We initiated a crowdsourcing challenge focused on sustainable, circular economy...
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- 2023
- Working Paper
ESG: From Process to Product
By: George Serafeim
ESG measurement, analysis, management, and communication is a process that the financial industry has turned into a product, resulting in many investment funds using the ESG label. This has caused confusion, generating demand for a framework that defines...
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- March 2023
- Case
On
By: Ramon Casadesus-Masanell, Karolin Frankenberger and Sascha Mader
Founded in 2010, in just one decade, the Swiss company On had established itself as a main player in global sports footwear and apparel. Based on an unconventional strategy which one of the founders labeled as “obsessively distinct,” On grew its sales with a compound...
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- December 2022
- Case
Taylor Farms: Adding Value to Fresh Produce
By: José B. Alvarez, Forest L. Reinhardt, Jenyfeer Martinez Buitrago and Pedro Levindo
In October 2022, Bruce Taylor (HBS MBA, 1981), Chairman and CEO of Taylor Farms, the leading producer of salads and healthy fresh foods in the United States, wondered whether this was the right time for Taylor Farms to venture into the Controlled Environment...
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- 2022
- Working Paper
How Do Investors Value ESG?
By: Malcolm Baker, Mark Egan and Suproteem K. Sarkar
Environmental, social, and governance (ESG) objectives have risen to near the top of the agenda for corporate executives and boards, driven in large part by their perceptions of shareholder interest. We quantify the value that shareholders place on ESG using a revealed...
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- 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...
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- October, 2022
- Article
The Economic Dynamics of Competing Power Generation Sources
By: Gunther Glenk and Stefan Reichelstein
Competing power generation sources have experienced considerable shifts in both their revenue potential and their costs in recent years. Here we introduce the concept of Levelized Profit Margins (LPM) to capture the changing unit economics of both intermittent and...
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Keywords:
Renewable Energy;
Intermittant;
Cost Accounting;
Profitability Analysis;
Learning-by-doing;
Cannibalization Effect;
Energy;
Environmental Management;
Investment;
Operations;
Technological Innovation;
Energy Industry;
Utilities Industry;
Industrial Products Industry;
Manufacturing Industry;
Europe;
North America;
South America;
Africa;
Asia
- 2021
- Working Paper
Pricing of Climate Risk Insurance: Regulation and Cross-Subsidies
By: Ishita Sen, Ana-Maria Tenekedjieva and Sangmin Oh
Homeowners’ insurance provides households financial protection from climate losses. To improve access and affordability, state regulators impose price controls on insurance companies. Using novel data, we construct a new measure of rate setting frictions for individual...
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- 2022
- Article
Which Corporate ESG News Does the Market React To?
By: George Serafeim and Aaron Yoon
Using a dataset that classifies firm-level ESG news as positive and negative, we examine how stock prices react to different types of ESG news. We analyze 111,020 firm-day observations for 3,126 companies and find that prices react only to issues identified as...
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- 2022
- Case
Marathon Petroleum and Southwest Detroit: The Intersection of Community and Environment
Environmental racism describes the unequal burden of environmental hazards placed on disadvantaged communities through systems, policies, and practices. In such a situation, these people disproportionately live close to sources of toxic waste-what are referred to as...
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- January 2022
- Article
Why Is Corporate Virtue in the Eye of the Beholder? The Case of ESG Ratings
By: Dane Christensen, George Serafeim and Anywhere Sikochi
Despite the rising use of environmental, social, and governance (ESG) ratings, there is substantial disagreement across rating agencies regarding what rating to give to individual firms. As what drives this disagreement is unclear, we examine whether a firm’s ESG...
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- 2022
- Working Paper
ESG: Hyperboles and Reality
By: George Serafeim
ESG has rapidly become a household name leading to both confusion about what it means and creating unrealistic expectations about its effects. In this paper, I draw on more than a decade of research to dispel several myths about ESG and provide answers to important...
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- 2021
- Article
Decarbonizing Everything
By: Alex Cheema-Fox, Bridget LaPerla, George Serafeim, David Turkington and Hui (Stacie) Wang
We analyze how the use of different climate risk measures leads to different portfolio carbon outcomes and risk-adjusted returns. Our findings are synthesized in a rules-based investment framework, which selects a different type of climate metric across industries and...
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Keywords:
Climate Risk;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Disclosure;
ESG Disclosure Metrics;
ESG Ratings;
Investing;
Investing For Impact;
Investment Strategy;
Environment;
Decarbonization;
Climate Change;
Environmental Sustainability;
Environmental Management;
Environmental Accounting;
Investment;
Strategy;
Investment Portfolio;
Investment Return
- 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...
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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
- 2021
- Working Paper
Accounting for Product Impact in the Pharmaceuticals Industry
By: Amanda Rischbieth, 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 pharmaceuticals industry. We design a monetization methodology that allows us to calculate monetary impact estimates of accessible...
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Keywords:
Product Innovation;
Impact;
Impact Investing;
Impact Measurement;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Ratings;
Social Corporate Responsibility;
Corporate Social Responsibility;
Social Impact;
Pharmaceutical Companies;
Pharmaceuticals;
IWAI;
Product Design;
Product Positioning;
Society;
Environmental Sustainability;
Corporate Social Responsibility and Impact;
Product;
Safety;
Pharmaceutical Industry
- 2021
- Working Paper
Accounting for Product Impact in the Interactive Media and Services Industry
By: DG Park, 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 interactive media and services industry. We design a monetization methodology that allows us to calculate monetary impact...
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Keywords:
Product Innovation;
Impact;
Impact Investing;
Impact Measurement;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Ratings;
Social Corporate Responsibility;
Corporate Social Responsibility;
Social Impact;
Product Design;
Product Positioning;
Society;
Product;
Environmental Sustainability;
Measurement and Metrics;
Framework;
Corporate Social Responsibility and Impact;
Social Media;
Technology Industry
- 2021
- Working Paper
Accounting for Product Impact in the Telecommunications Industry
By: 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 telecommunications industry. We design a monetization methodology that allows us to calculate monetary impact estimates of network...
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Keywords:
Product Innovation;
Impact;
Impact Investing;
Impact Measurement;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Ratings;
Social Corporate Responsibility;
Corporate Social Responsibility;
Social Impact;
Telecommunications;
Product Design;
Product Positioning;
Society;
Product;
Environmental Sustainability;
Measurement and Metrics;
Framework;
Corporate Social Responsibility and Impact;
Telecommunications Industry
- 2021
- Working Paper
Accounting for Product Impact in the Water Utilities Industry
By: 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 water utilities industry. We design a monetization methodology that allows us to calculate monetary impact estimates of water...
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Keywords:
Product Innovation;
Impact;
Impact Investing;
Impact Measurement;
ESG;
ESG (Environmental, Social, Governance) Performance;
ESG Ratings;
Social Corporate Responsibility;
Corporate Social Responsibility;
Social Impact;
Water;
Utilities;
Product Design;
Product Positioning;
Society;
Product;
Environmental Sustainability;
Measurement and Metrics;
Framework;
Corporate Social Responsibility and Impact;
Utilities Industry
- March 1, 2021
- Article
Transitioning to Clean Energy Transportation Services: Life-cycle Cost Analysis for Vehicle Fleets
By: Stephen Comello, Gunther Glenk and Stefan Reichelstein
Comprehensive global decarbonization requires that transportation services cease to rely on fossil fuels for power generation. This paper develops a generic, time-driven life-cycle cost model for mobility services to address two closely related questions central to the...
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Keywords:
Decarbonization;
Electric Vehicles;
Renewable Energy;
Biofuel;
Carbon Emissions;
Mobility;
Batteries;
Energy;
Environmental Management;
Environmental Accounting;
Transportation;
Operations;
Management;
Sustainable Cities;
Decision Making;
Investment;
Energy Industry;
Transportation Industry;
Utilities Industry;
Motorcycle Industry;
Auto Industry;
Consulting Industry;
Industrial Products Industry;
Manufacturing Industry;
Europe;
North America;
South America;
Africa;
Asia