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Show Results For
- All HBS Web
(3,070)
- People (9)
- News (605)
- Research (1,952)
- Events (10)
- Multimedia (14)
- Faculty Publications (904)
- 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
Serafeim, George, and Aaron Yoon. "Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement." Special Issue on RAST 2022 Conference. Review of Accounting Studies 28, no. 3 (September 2023): 1500–1530.
- 24 Mar 2011
- Working Paper Summaries
Individual Rationality and Participation in Large Scale, Multi-Hospital Kidney Exchanges
- 13 May 2019
- News
Reading the Market
- February 2013 (Revised June 2013)
- Case
BTG Pactual: Preserving a Partnership Culture
By: Paul Healy
Keywords: Stock Market; IPO; Corporate Lending; Initial Public Offering; Investment Banking; Banking Industry; Brazil
Healy, Paul. "BTG Pactual: Preserving a Partnership Culture." Harvard Business School Case 113-094, February 2013. (Revised June 2013.)
- 09 Jul 2013
- News
Can Zynga’s New CEO Turn The Stock Around?
- Article
The Job Market for New Economists: A Market Design Perspective
By: Peter A. Coles, John Cawley, Phillip B. Levine, Muriel Niederle, Alvin E. Roth and John J. Siegfried
This paper, written by the members of the American Economic Association (AEA) Ad Hoc Committee on the Job Market, provides an overview of the market for new Ph.D. economists. It describes the role of the AEA in the market and focuses in particular on two mechanisms... View Details
Coles, Peter A., John Cawley, Phillip B. Levine, Muriel Niederle, Alvin E. Roth, and John J. Siegfried. "The Job Market for New Economists: A Market Design Perspective." Journal of Economic Perspectives 24, no. 4 (Fall 2010): 187–206.
- April 2021
- Background Note
HEAD vs. LEAD: Disruptions Originating at the High- vs. Low-End of the Market
By: Elie Ofek, Olivier Toubia and Didier Toubia
Twenty five years after it was initially proposed, Clay Christensen’s theory of disruptive innovation continues to be a major reference for entrepreneurs, corporate innovators, and investors. However, the term “disruptive innovation” is often used in ways and contexts... View Details
Keywords: Market Entry; New Product Management; Targeting; Disruptive Innovation; Market Entry and Exit; Entrepreneurship; Product; Management; Innovation Strategy; Technology
Ofek, Elie, Olivier Toubia, and Didier Toubia. "HEAD vs. LEAD: Disruptions Originating at the High- vs. Low-End of the Market." Harvard Business School Background Note 521-104, April 2021.
- 2010
- Working Paper
The Job Market for New Economists: A Market Design Perspective
By: Peter A. Coles, John Cawley, Phillip B. Levine, Muriel Niederle, Alvin E. Roth and John J. Siegfried
This paper provides an overview of the market for new Ph.D. economists. It describes the role of the American Economic Association (AEA) in the market and focuses in particular on two mechanisms adopted in recent years at the suggestion of our committee. First, job... View Details
Keywords: Cost Management; Information; Surveys; Jobs and Positions; Job Interviews; Job Search; Emerging Markets; Digital Platforms; Service Operations; Internet and the Web
Coles, Peter A., John Cawley, Phillip B. Levine, Muriel Niederle, Alvin E. Roth, and John J. Siegfried. "The Job Market for New Economists: A Market Design Perspective." Harvard Business School Working Paper, No. 10-096, May 2010.
- 2008
- Article
Governance and Merger Accounting: Evidence from Stock Price Reactions to Purchase versus Pooling
By: Francisco de Asis Martinez-Jerez
This paper examines the effect of corporate governance on investor reactions to accounting choice in the context of accounting for business combinations. Using a sample of 324 recent stock swap acquisitions I find that, contrary to practitioners' belief that capital... View Details
Keywords: Financial Reporting; Financial Statements; Mergers and Acquisitions; Capital Markets; Stocks; Price; Corporate Governance
Martinez-Jerez, Francisco de Asis. "Governance and Merger Accounting: Evidence from Stock Price Reactions to Purchase versus Pooling." Art. 1. European Accounting Review 17, no. 1 (2008): 5–35. (Lead Article.)
- Article
Market Reactions to Sovereign Litigation
By: Faisal Z. Ahmed and Laura Alfaro
Recent rulings in the ongoing litigation over the pari passu clause in Argentinian sovereign debt instruments have generated considerable controversy. Some official-sector participants and academic articles have suggested that the rulings will disrupt or impede... View Details
Keywords: Sovereign Debt; Litigation; Vulture Funds; Argentina; Sovereign Finance; Lawsuits and Litigation; Markets; Argentina
Ahmed, Faisal Z., and Laura Alfaro. "Market Reactions to Sovereign Litigation." Capital Markets Law Journal 12, no. 2 (April 2017): 141–163.
- May 2008
- Article
Excess Comovement of Stock Returns: Evidence from Cross-sectional Variation in Nikkei 225 Weights
By: Robin Greenwood
In the presence of limits to arbitrage, cross-sectional variation in periodic investor demand should be related to the degree of comovement of returns. I exploit the unusual weighting system of the Nikkei 225 index in Japan to identify cross-sectional variation in... View Details
Keywords: Stocks; Investment; Investment Return; Market Transactions; Weight; Performance Expectations; Behavior; Japan
Greenwood, Robin. "Excess Comovement of Stock Returns: Evidence from Cross-sectional Variation in Nikkei 225 Weights." Review of Financial Studies 21, no. 3 (May 2008): 1153–1186.
- 16 Feb 2017
- News
Saudi Stock Exchange Picks First Female Chair
- 2023
- Chapter
Market Design Under Weak Institutions
By: Benjamin N. Roth
As market designers begin to address economic inequality, we will necessarily also
begin to engage marginalized populations who have so far not been served well by the
markets in which they participate. We will need new market designs for participants who
may not... View Details
Roth, Benjamin N. "Market Design Under Weak Institutions." In More Equal by Design: Economic Design Responses to Inequality, edited by Scott Duke Kominers and Alex Teytelboym. Oxford University Press, forthcoming.
- May 2010
- Article
Aggregate Market Reaction to Earnings Announcements
By: William Cready and Umit G Gurun
This analysis identifies a distinct immediate announcement period negative relation between earnings announcement surprises and aggregate market returns. Such a relation implies that market participants use earnings information in forming expectations about expected... View Details
Cready, William, and Umit G Gurun. "Aggregate Market Reaction to Earnings Announcements." Journal of Accounting Research 48, no. 2 (May 2010): 289–334.
- June 2001 (Revised March 2008)
- Exercise
Privatization of Anatolia National Telekom, The: General Instructions for All Simulation Participants
Anatolia National Telekom is a multiparty negotiation simulation patterned after the Turkish government's aborted attempt to privatize its state-owned telecommunications monopoly, Turk Telekom, in late 1997. Provides participants with an opportunity to identify and... View Details
"Privatization of Anatolia National Telekom, The: General Instructions for All Simulation Participants." Harvard Business School Exercise 801-431, June 2001. (Revised March 2008.)
- 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
Khan, Mozaffar N., Leonid Kogan, and George Serafeim. "Mutual Fund Trading Pressure: Firm-Level Stock Price Impact and Timing of SEOs." Journal of Finance 67, no. 4 (August 2012): 1371–1395.
- 25 Aug 2020
- News
He's Seen It Before
- June 2021 (Revised November 2021)
- Case
Asian Corporate Governance Association: Stemming a 'Race to the Bottom' by Stock Exchanges?
By: Charles C.Y. Wang and Billy Chan
This case describes the movement towards dual-class listings on Asian stock exchanges and the efforts of the Asian Corporate Governance Association (ACGA), a not-for-profit shareholder advocacy group, to discourage this trend. As a not-for-profit organization with no... View Details
Keywords: Corporate Governance; Governance Controls; Nonprofit Organizations; Stocks; Financial Markets; Financial Services Industry; Hong Kong; China; Asia
Wang, Charles C.Y., and Billy Chan. "Asian Corporate Governance Association: Stemming a 'Race to the Bottom' by Stock Exchanges?" Harvard Business School Case 121-073, June 2021. (Revised November 2021.)
- 1993
- Chapter
The Adjustment of Stock Prices to New Information
By: Eugene F. Fama, Lawrence Fisher, Michael C. Jensen and Richard J. Roll
Fama, Eugene F., Lawrence Fisher, Michael C. Jensen, and Richard J. Roll. "The Adjustment of Stock Prices to New Information." In Strategic Issues in Finance, edited by Keith Wand. Butterworth-Heinemann, 1993. (Previously published in International Economic Review, Vol. 10 (Feb. 1969) and Investment Management: Some Readings, J. Lorie and R. Brealey, Eds (Praeger Publishers, 1972))
- Research Summary
Effective Capital Market Communications
Hutton's most recent research and cases examine how managers enhance the credibility and effectiveness of their financial reports and voluntary disclosures. Her most recent working paper, "Effective Voluntary Disclosure" (co-authored with Greg Miller, HBS, and Douglas... View Details