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  • April 2015
  • Case

Accor: Designing an Asset-Right Business and Disclosure Strategy

By: Mozaffar Khan and George Serafeim
Sebastien Bazin was now in charge of Accor, the world's largest French hotelier, a CAC 40 company with 3,600 hotels in 92 countries and a market cap of €10 billion. Previously as the European head of Colony Capital, one of the largest private equity groups and the... View Details
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  • 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
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
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  • 2012
  • Article

Mutual Fund Trading Pressure: Firm-Level Stock Price Impact and Timing of SEOs

By: Mozaffar N. Khan, Leonid Kogan and George Serafeim
In tests of the equity market timing theory of external finance, the prior literature has used overvaluation identifiers such as high market-to-book and high prior returns that are likely correlated with other determinants of SEOs. We use price pressure resulting from... View Details
Keywords: Equity; Market Transactions; Valuation; Capital Structure; Market Timing; Mathematical Methods; Acquisition
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  • 12 Dec 2017
  • First Look

New Research and Ideas, December 12, 2017

https://www.hbs.edu/faculty/Pages/item.aspx?num=53593 Material Sustainability Information and Stock Price Informativeness By: Grewal, Jody, Clarissa Hauptmann, and George View Details
Keywords: Sean Silverthorne
  • 15 Apr 2014
  • First Look

First Look: April 15

Institutional Logics By: Ioannou, Ioannis, and George Serafeim Abstract—We explore the impact of corporate social responsibility (CSR) ratings on sell-side analysts'... View Details
Keywords: Sean Silverthorne
  • 16 May 2017
  • First Look

First Look at New Ideas and Research, May 16

rapidly in importance. Download working paper: https://www.hbs.edu/faculty/Pages/item.aspx?num=52634 The Consequences of Mandatory Corporate Sustainability Reporting By: Ioannou, Ioannis, and George View Details
Keywords: Re: Multiple Faculty
  • 06 Mar 2018
  • First Look

First Look at Research and Ideas, March 6, 2018

forthcoming Financial Analysts Journal Why and How Investors Use ESG Information: Evidence from a Global Survey By: Amel-Zadeh, Amir, and George View Details
Keywords: Sean Silverthorne
  • 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
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  • 13 Dec 2011
  • First Look

First Look: Dec. 13

whether, when, and for which type of customer the introduction of a new channel helps and hurts sales in existing channels. Our framework separates short- and long-run effects... View Details
Keywords: Sean Silverthorne
  • 24 Sep 2013
  • First Look

First Look: September 24

Earnings Call By: Eccles, Robert G., and George Serafeim Abstract—One of the challenges companies claim to face in making sustainability a core part of their strategy View Details
Keywords: Sean Silverthorne
  • March – April 2011
  • Article

Sustainability and Capital Markets: How Firms Can Manage the Crucial Link

By: Ioannis Ioannou and George Serafeim
Keywords: Sustainability; Capital; Markets
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  • 2010
  • Chapter

Drivers of Corporate Sustainability and Implications for Capital Markets: An International Perspective

By: Ioannis Ioannou and George Serafeim
Keywords: Capital Markets; International Finance
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  • July 2015
  • Article

The Impact of Corporate Social Responsibility on Investment Recommendations: Analysts' Perceptions and Shifting Institutional Logics

By: Ioannis Ioannou and George Serafeim
We explore the impact of corporate social responsibility (CSR) ratings on sell-side analysts' assessments of firms' future financial performance. We suggest that when analysts perceive CSR as an agency cost, due to the prevalence of an agency logic, they produce... View Details
Keywords: Corporate Social Responsibility; Analysts; Investment Recommendations; Sustainability; Institutional Logics; Environment; Corporate Social Responsibility and Impact; Investment; Corporate Governance; United States
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  • 23 May 2017
  • First Look

First Look at New Ideas and Research: May 23, 2017

George Serafeim Abstract—We examine if, and under what conditions, disclosure of sustainability information identified as investor relevant by... View Details
Keywords: Carmen Nobel
  • September 2016
  • Article

The Effect of Target Difficulty on Target Completion: The Case of Reducing Carbon Emissions

By: Ioannis Ioannou, Shelley Xin Li and George Serafeim
Targets are an integral component of management control systems and play a significant role in achieving desirable performance outcomes. We focus on a key environmental performance objective—reduction of carbon emissions—as a setting in which to examine how target... View Details
Keywords: Sustainability; Target-setting; Management Accounting; Management Accounting And Control Systems; Control Systems; Sustainable Development; Environment; Goals and Objectives; Climate Change; Management Systems; Accounting; Environmental Sustainability
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  • 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
Keywords: Valuation; Markets; Information; International Finance; Earnings Management; Stock Shares; Taxation; Goodwill Accounting; Price; Financial Reporting; Standards; Corporate Disclosure; United Kingdom
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  • May 2011
  • Article

Consequences and Institutional Determinants of Unregulated Corporate Financial Statements: Evidence from Embedded Value Reporting

By: George Serafeim
I analyze Embedded Value (EV) reporting by firms with life insurance operations to assess the impact of unregulated financial reporting on transparency and to examine the institutional characteristics that promote unregulated reporting. Under EV accounting the present... View Details
Keywords: Financial Statements; Mergers and Acquisitions; Financial Reporting; Cash Flow; Contracts; Equity; Profit; Value; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Business and Shareholder Relations; Business Earnings
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  • Summer 2013
  • Article

A Tale of Two Stories: Sustainability and the Quarterly Earnings Call

By: Robert G. Eccles and George Serafeim
One of the challenges companies claim to face in making sustainability a core part of their strategy and operations is that the market does not care about sustainability, either in general or because the time frames in which it matters are too long. The response of... View Details
Keywords: Sustainability; Communication; Integrated Corporate Reporting; Investment; Environmental Sustainability
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  • 30 Jun 2021
  • In Practice

The Harvard Business School Faculty Summer Reader 2021

new books to come from Patrick Rothfuss and George R. R. Martin." This summer I want to complete the Murderbot Diaries by Martha Wells—a super fun series about a killer robot... View Details
Keywords: by Kathryn Haviland
  • 23 Aug 2019
  • Sharpening Your Skills

Has the Corporate Mission Just Been Disrupted?

companies within most industries adopted an increasingly similar set of sustainability practices. This study by by Ioannis Ioannou View Details
Keywords: by Sean Silverthorne; Green Technology

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