Publications

September 2023
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... View Details

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... View Details

Keywords: ESG Ratings; Rating Agency Disagreement; ESG Disclosure; Corporate Social Responsibility; Sustainability; Corporate Social Responsibility and Impact; Environmental Sustainability; Corporate Disclosure

Editorial

Why ESG Funds Fail to Scale

By: Gabriel Karageorgiou and George Serafeim

You’ve seen the headlines about the growth in environmental, social, and governance funds. Many investment professionals might read these and believe that launching a new ESG investment firm or ESG offering will be an automatic success. Our analysis of the data shows... View Details

July 2019
Article

Market Reaction to Mandatory Nonfinancial Disclosure

By: Jody Grewal, Edward J. Riedl and George Serafeim

We examine the equity market reaction to events associated with the passage of a directive in the European Union (EU) mandating increased nonfinancial disclosure. These disclosures relate to firms’ environmental, social, and governance (ESG) performance and would be... View Details

Keywords: Nonfinancial Information; Nonfinancial Performance; ESG; ESG (Environmental, Social, Governance) Performance; Investor Behavior; Disclosure; Disclosure Regulation; Regulation; Sustainability; Corporate Performance; Information; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Performance; Environmental Sustainability; Corporate Governance; Outcome or Result

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

Register to Read

March 2022
Case

Metric

By: Christina Wallace, Rebecca Cink and Maria Lappas

Megan Murday, the founder of Metric, an environmental, social, and corporate governance (ESG) analytics startup, must decide which customer segment to target as a beachhead market. She received positive feedback from a Swiss venture capital (VC) firm, indicating their... View Details

Keywords: Entrepreneurship; Marketing; Mission and Purpose; Customers

Educators

07 Sep 2020
News

Where ESG Ratings Fail: The Case for New Metrics

2021
Working Paper

How to Fix ESG Reporting

By: Robert S. Kaplan and Karthik Ramanna

Investors, advocacy groups, academics, and the 200 CEOs of the US Business Roundtable have asked corporations to take on an added purpose beyond a narrow pursuit of shareholder value. In response, many companies now issue ESG (Environmental, Societal, and Governance)... View Details

Keywords: ESG Reporting; Sustainability; Corporate Purpose; Greenhouse Gas; Activity-Based Costing; Environmental Sustainability; Environmental Management; Corporate Social Responsibility and Impact; Measurement and Metrics; Goals and Objectives; Agreements and Arrangements; Corporate Accountability

March 2016 (Revised April 2019)
Technical Note

ESG Metrics: Reshaping Capitalism?

By: George Serafeim

In the past twenty-five years, the world had seen an exponential growth in the number of companies reporting environmental, social and governance (ESG) data. Investor interest in ESG data also grew rapidly. A growing belief that increasing levels of social inequality... View Details

Keywords: Capitalism; Sustainability; Accountability; Corporate Social Responsibility; Responsibilities To Society; Environment; Social Impact Investment; ESG; Corporate Social Responsibility and Impact; Environmental Sustainability; Measurement and Metrics; Integrated Corporate Reporting; Corporate Accountability; Accounting; Economic Systems

Educators

Article

Four Things No One Will Tell You About ESG Data

By: Sakis Kotsantonis and George Serafeim

As the ESG finance field and the use of ESG data in investment decision-making continue to grow, the authors seek to shed light on several important aspects of ESG measurement and data. This article is intended to provide a useful guide for the rapidly rising number of... View Details

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

Forthcoming
Article

Disclosure Standards and Communication Norms: Evidence of Voluntary Sustainability Standards as a Coordinating Device for Capital Markets

By: Khrystyna Bochkay, Jeffrey Hales and George Serafeim

In this paper, we examine how the development of voluntary sustainability standards has affected the nature of information covered in conference calls. Using industry-specific dictionaries of sustainability terms contained in the disclosure standards developed by the... View Details

Keywords: Sustainability; Disclosure; Voluntary Disclosure; Accounting Standards; Sustainability Reporting; Sustainability Standards; ESG; ESG Disclosure; Accounting; United States

2024
Working Paper

Principles and Content for Downstream Emissions Disclosures

By: Robert S. Kaplan and Karthik Ramanna

In a previous paper, we proposed the E-liability carbon accounting algorithm for companies to measure and subsequently reduce their own and their suppliers’ emissions. Some investors and stakeholders, however, want companies to also be accountable for downstream... View Details

Keywords: Carbon Emissions; Disclosure; Carbon Footprint; Climate Change; Measurement and Metrics; Corporate Disclosure; Environmental Sustainability; Corporate Social Responsibility and Impact

Third Quarter 2018
Article

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

By: Amir Amel-Zadeh and George 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. Relevance to... View Details

Keywords: ESG; ESG (Environmental, Social, Governance) Performance; Sustainability; Investment Management; Investment Strategy; Metrics; Standard Setting; Accounting Standards; Finance; Investment; Information; Environmental Sustainability; Governance; Performance Effectiveness; Strategy

2022
Working Paper

ESG Performance and Voluntary ESG Disclosure: Mind the (Gender Pay) Gap

By: June Huang and Shirley Lu

We study if firms with better ESG performance are more likely to provide voluntary ESG disclosure, an assumption embedded in many ESG ratings. We focus on gender diversity and proxy for performance using a firm's gender pay gap ("GPG") disclosed under a UK disclosure... View Details

Keywords: Pay Gap; Gender; Wages; Equality and Inequality; Corporate Disclosure; Policy; Diversity

2022
Working Paper

The Evolution of ESG Reports and the Role of Voluntary Standards

By: Ethan Rouen, Kunal Sachdeva and Aaron Yoon

We examine the evolution of ESG reports of S&P 500 firms from 2010 to 2021. The percentage of firms releasing these voluntary disclosures increased from 35% to 86% during this period, although the length of these documents experienced more modest growth. Using a... View Details

Keywords: Voluntary Disclosure; Textual Analysis; Modeling And Analysis; Corporate Social Responsibility and Impact; AI and Machine Learning; Accounting

Article

ESG Integration in Investment Management: Myths and Realities

By: Sakis Kotsantonis, Christopher Pinney and George Serafeim

The authors’ aim in this article is to set the record straight on the financial performance of sustainable investing while also correcting a number of other widespread misconceptions about this rapidly growing set of principles and methods. Myth Number 1:... View Details

Keywords: ESG; Sustainability; Investment Management; Finance; Corporate Social Responsibility; Integrated Corporate Reporting; Corporate Social Responsibility and Impact; Investment; Environmental Sustainability; Corporate Governance

June 2023
Supplement

Roche: ESG and Access to Healthcare

By: George Serafeim

In May 2022, Roche Group, one of the largest healthcare companies in the world, hosted its first ESG investor event focused exclusively on its efforts to impact access to healthcare. While Roche had recently set an ambitious goal to double the number of patients that... View Details

March 2023
Case

Roche: ESG and Access to Healthcare

By: George Serafeim, Susanna Gallani and Benjamin Maletta

In May 2022, Roche Group, one of the largest healthcare companies in the world, hosted its first ESG investor event focused exclusively on its efforts to impact access to healthcare. While Roche had recently set an ambitious goal to double the number of patients that... View Details

Educators