Publications
Publications
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- All HBS Web
(218)
- Faculty Publications (64)
- 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
- 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
Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Reporting; Data Analytics; Sustainability; Sustainability Reporting; CSR; Transparency; Investment Management; Socially Responsible Investing; Sustainable Finance; Sustainable Development; Inclusion; Inclusive Growth; Corporate Social Responsibility and Impact; Corporate Accountability; Investment; Management; Climate Change; Corporate Governance; Diversity; Integrated Corporate Reporting
- October 2018 (Revised September 2022)
- Case
Stock-Based Compensation at Twitter
By: Jonas Heese, Zeya Yang and Mike Young
Olivia Nash, an analyst at leading hedge fund BlueShark Capital Management, had just finished listening to the hour-long earnings call for Twitter’s Q4 2017 results. Was Twitter doing well? That depended on which numbers she chose to believe. According to Generally... View Details
- October 2018
- Supplement
JetBlue: Relevant Sustainability Leadership (B)
By: George Serafeim and David Freiberg
The case outlines JetBlue's decision to disclose according to the Sustainability Accounting Standards Board (SASB) standards and the ESG metrics they began reporting. Data on resulting changes in institutional ownership are also provided. View Details
- 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
- October 2017 (Revised October 2022)
- Case
JetBlue: Relevant Sustainability Leadership (A)
By: George Serafeim
In 2017, JetBlue, the airline founded on the mission to “bring humanity back to air travel,” was considering becoming one of the first companies to report its sustainability performance according to the Sustainability Accounting Standards Board (SASB) standards. SASB... View Details
Keywords: Sustainability; Metrics; Leadership And Change Management; Airlines; Innovation; Purpose; ESG; ESG (Environmental, Social, Governance) Performance; Sustainability Reporting; Change Management; Leadership; Financial Reporting; Environmental Sustainability; Mission and Purpose; Reports; Competitive Strategy; Measurement and Metrics; Corporate Social Responsibility and Impact; Air Transportation Industry; United States
- 2017
- Article
Making Transparency Transparent: The Evolution of Observation in Management Theory
By: Ethan Bernstein
Observation is key to management scholarship and practice. Yet a holistic view of its role in management has been elusive, in part due to shifting terminology. The current popularity of the term “transparency” provides the occasion for a thorough review, which finds... View Details
Keywords: Transparency; Privacy; Observation; Tracking; Monitoring; Surveillance; Learning; Control; Disclosure; Process Visibility; Organizations; Theory; Information Technology; Relationships; Measurement and Metrics; Management Practices and Processes; Leadership; Law; Knowledge; Human Resources; Communication
- 2016
- Working Paper
Patent Disclosures and Standard-Setting
By: Josh Lerner, Haris Tabakovic and Jean Tirole
A key role of standard setting organizations (SSOs) is to aggregate information on relevant intellectual property (IP) claims before deciding on a standard. This article explores the firms’ strategies in response to IP disclosure requirements—in particular, the choice... View Details
- 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
- 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
- Article
Corporate Social Responsibility and Access to Finance
By: Beiting Cheng, Ioannis Ioannou and George Serafeim
In this paper, we investigate whether superior performance on corporate social responsibility (CSR) strategies leads to better access to finance. We hypothesize that better access to finance can be attributed to a) reduced agency costs due to enhanced stakeholder... View Details
- April 2012
- Article
The Impact of Relative Standards on the Propensity to Disclose
By: Alessandro Acquisti, Leslie John and George Loewenstein
Two sets of studies illustrate the comparative nature of disclosure behavior. The first set investigates how divulgence is affected by signals about others' readiness to divulge. Study 1A shows a "herding" effect, such that survey respondents are more willing to... View Details
- Spring 2012
- Article
The Need for Sector-Specific Materiality and Sustainability Reporting Standards
By: Robert G. Eccles, Michael P. Krzus, Jean Rogers and George Serafeim
Even though the supply of sustainability information has increased considerably in the last decade, companies are still failing to disclose material information in a comparable format. We believe this has two downsides. On the one hand, companies are not adequately... View Details
- December 2011 (Revised May 2015)
- Case
Aviva Investors
By: George Serafeim
The Aviva Investors case describes the challenge of integrating sustainability considerations into the strategy and business practices of companies and into the decision making process of the investment community. Steve Waygood, Chief Responsible Investment Officer at... View Details
Keywords: Investing; Investment Management; Shareholder Activism; Disclosure; Stock Exchanges; Sustainability; Sustainable Development; Sustainability Reporting; ESG; ESG (Environmental, Social, Governance) Performance; Social Impact; Activism; Investment; Management; Business and Shareholder Relations; Environmental Sustainability; United Kingdom
- September – October 2011
- Article
The Rise and Consequences of Corporate Sustainability Reporting
By: Ioannis Ioannou and George Serafeim
For many decades the cornerstone of corporate reporting has been financial information that is presented in a company's annual, semi-annual, and quarterly reports. These comprehensive financial reports—required by law for public companies in most countries... View Details
- June 2011 (Revised February 2013)
- Case
Mandatory Environmental, Social, and Governance Disclosure in the European Union
By: George Serafeim
In 2011, the European Commission was deciding on how to best modify the existing European Union policy on corporate disclosure of environmental, social, and governance (ESG) information. Previous directives had recommended that European companies report ESG... View Details
- May 23, 2011
- Article
Leading and Lagging Countries in Contributing to a Sustainable Society
By: Robert G. Eccles and George Serafeim
To determine the extent to which corporate and investor behavior is changing to contribute to a more sustainable society, researchers Robert Eccles and George Serafeim analyzed data involving over 2,000 companies in 23 countries. One result: a ranking of countries... View Details
- March 2011
- Article
Accounting Scholarship That Advances Professional Knowledge and Practice
By: Robert S. Kaplan
Recent accounting scholarship has used statistical analysis on asset prices, financial reports and disclosures, laboratory experiments, and surveys of practice. The research has studied the interface among accounting information, capital markets, standard setters, and... View Details
- September 2010 (Revised September 2013)
- Case
Accounting for the iPhone at Apple Inc.
By: Francois Brochet, Krishna G. Palepu and Lauren Barley
Apple initially recognized revenue associated with its iPhone product using subscription accounting. However, in 2008, the company started providing non-GAAP supplemental numbers where substantially all of the revenue was recognized upfront. Market participants'... View Details
- Article
Market Reaction to and Valuation of IFRS Reconciliation Adjustments: First Evidence from the UK
By: Joanne Horton and George Serafeim
We investigate the market reaction to, and the value-relevance of, information contained in the mandatory transitional documents required by International Financial Reporting Standards (IFRS) 1 (2005). We find significant negative abnormal returns for firms reporting... View Details