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Show Results For
- All HBS Web
(3,073)
- People (5)
- News (696)
- Research (2,076)
- Events (8)
- Multimedia (14)
- Faculty Publications (906)
- 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.)
- 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.
- 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.
- 09 Jul 2013
- News
Can Zynga’s New CEO Turn The Stock Around?
- 16 Feb 2017
- News
Saudi Stock Exchange Picks First Female Chair
- 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.)
- Research Summary
Dynamics of Platform Competition: Exploring the Role of Installed Base, Platform Quality and Consumer Expectations
Researchers debate the role of installed base, platform quality and consumer expectations in driving the success of platforms. We analyze these three factors in a dynamic model where a new entrant with superior quality competes with an incumbent platform, and... View Details
- 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))
- 06 Dec 2021
- Research & Ideas
The Popular Stock Metric That Can Lead Investors Astray
to pinpoint valuable stocks in the future. “We're taught that there are extremely smart people who work in the market, and therefore we should expect markets to be somewhat... View Details
Keywords: by Rachel Layne
- 20 Sep 2011
- News
Filling "Institutional Voids" in Emerging Markets
- 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.)
Disruption and Credit Markets
When innovation and entry are high in an industry, is this good or bad news for incumbents? We show that recently the answer has been bad news. Industries with elevated venture capital activity and returns, and with a larger presence of newly listed firms, show a... View Details
- 25 Aug 2020
- News
He's Seen It Before
- Web
Marketing - Doctoral
Marketing The doctoral program in Marketing draws on a variety of underlying disciplines to research important marketing management problems centered on the immediate and... View Details
- 08 Sep 2016
- Working Paper Summaries
A Model of Credit Market Sentiment
- 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.
- 19 Feb 2007
- Research & Ideas
Inexperienced Investors and Market Bubbles
joining a bubble. In the recent paper, "Inexperienced Investors and Bubbles," Harvard Business School's Robin Greenwood and Stanford's Stefan Nagel compared the returns of young and older mutual fund managers during and after the technology View Details
- June 7, 1990
- Article
New Trading Practices and the Short-run Predictability of the S&P 500
By: André Perold, Kenneth A. Froot and James F. Gammill Jr.
- October 2007
- Article
Supply and Demand Shifts in the Shorting Market
By: Lauren Cohen, Karl B. Diether and Christopher J. Malloy
Using proprietary data on stock loan fees and quantities from a large institutional investor, we examine the link between the shorting market and stock prices. Employing a unique identification strategy, we isolate shifts in the supply and demand for shorting. We find... View Details
Keywords: Analytics and Data Science; Stocks; Financing and Loans; Price; Strategy; Demand and Consumers; Forecasting and Prediction; Investment Return; Markets; Information
Cohen, Lauren, Karl B. Diether, and Christopher J. Malloy. "Supply and Demand Shifts in the Shorting Market." Journal of Finance 62, no. 5 (October 2007): 2061–2096. (Winner of Smith Breeden Prize for the Best Paper Published in the Journal of Finance in Asset Pricing (Distinguished Paper) 2007.)
- 20 Oct 2011
- Research & Ideas
Getting the Marketing Mix Right
when a company attempts to move in on its market share, perhaps by offering price discounts. Since this strategy is viewed as more threatening, the competitor can be expected to retaliate with... View Details
Keywords: by Dina Gerdeman