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Show Results For
- All HBS Web
(2,840)
- People (2)
- News (581)
- Research (1,949)
- Events (9)
- Multimedia (27)
- Faculty Publications (1,247)
- October 2008
- Article
The Small World of Investing: Board Connections and Mutual Fund Returns
By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy
This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details
Keywords: Financial Markets; Information Management; Social and Collaborative Networks; Announcements; Investment Portfolio; Investment Return; Investment Funds; Asset Pricing; Governing and Advisory Boards
Cohen, Lauren, Andrea Frazzini, and Christopher J. Malloy. "The Small World of Investing: Board Connections and Mutual Fund Returns." Journal of Political Economy 116, no. 5 (October 2008): 951–979. (Winner of the Barclays Global Investors Award, Best Paper in Asset Pricing, European Finance Association 2007.)
- 11 Mar 2020
- News
Making Sense of the Economic Impact of the Coronavirus
- April 2020 (Revised April 2023)
- Case
TransDigm in 2017: The Beginning of the End or the End of the Beginning?
By: Benjamin C. Esty and Daniel Fisher
TransDigm was a highly acquisitive company that manufactured a wide range of highly engineered aerospace parts for both military and commercial customers. Over the ten years ending in 2016, its stock price had increased ten times, and both EBITDA and revenues had grown... View Details
Keywords: Value Capturing; Pricing Strategy; Supplier Power; Buyer Power; Porter's Five Forces; Bargaining Power; Aerospace; Acquisition Strategy; Value Drivers; Ethical Behavior; Regulation; Growth Strategy; Business Ethics; Defense; Procurement; Sustainability; Value-Based Business Strategy; Acquisition; Ethics; Private Equity; Financial Strategy; Growth Management; Performance Evaluation; Business Strategy; Competitive Strategy; Horizontal Integration; Value Creation; Competitive Advantage; Monopoly; Aerospace Industry; Air Transportation Industry; United States
Esty, Benjamin C., and Daniel Fisher. "TransDigm in 2017: The Beginning of the End or the End of the Beginning?" Harvard Business School Case 720-422, April 2020. (Revised April 2023.)
- 02 Mar 2012
- Working Paper Summaries
Short-Termism, Investor Clientele, and Firm Risk
- 12 Jan 2010
- News
A mistake that will make banks riskier
- February 1992 (Revised September 1995)
- Case
Goldman, Sachs & Co.: Nikkei Put Warrants--1989
By: Peter Tufano
Japanese financial institutions' willingness to sell put options on the Nikkei Stock Average provides investment banks with the raw material from which to create a security that would allow U.S. investors to bet on falls in the Japanese Stock Market. The investment... View Details
Keywords: Debt Securities; Investment Banking; Product Design; Globalized Markets and Industries; Japan; United States
Tufano, Peter. "Goldman, Sachs & Co.: Nikkei Put Warrants--1989." Harvard Business School Case 292-113, February 1992. (Revised September 1995.)
- 2008
- Working Paper
The Small World of Investing: Board Connections and Mutual Fund Returns
By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy
This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details
Keywords: Asset Pricing; Investment Portfolio; Governing and Advisory Boards; Knowledge Sharing; Knowledge Use and Leverage; Social and Collaborative Networks; Financial Services Industry
Cohen, Lauren, Andrea Frazzini, and Christopher J. Malloy. "The Small World of Investing: Board Connections and Mutual Fund Returns." Harvard Business School Working Paper, No. 08-055, January 2008. (Winner of the Barclays Global Investors Award, Best Paper in Asset Pricing, European Finance Association 2007.)
- 05 Oct 2011
- News
Raise Taxes on Venture Capital?
- December 2010 (Revised June 2018)
- Case
The Pecora Hearings
By: David Moss, Cole Bolton and Eugene Kintgen
In 1932, in the depths of the Great Depression, the Senate Banking Committee began a much-publicized investigation of the nation's financial sector. The hearings, which came to be known as the Pecora hearings after the Banking Committee's lead counsel Ferdinand Pecora,... View Details
Keywords: Financial Crisis; Fairness; Borrowing and Debt; Financial Institutions; Debt Securities; Stocks; Governing Rules, Regulations, and Reforms; Government Legislation; History; Financial Services Industry; United States
Moss, David, Cole Bolton, and Eugene Kintgen. "The Pecora Hearings." Harvard Business School Case 711-046, December 2010. (Revised June 2018.)
- December 1997 (Revised December 1998)
- Case
ArthroCare
A young company in the medical devices area, ArthroCare, has been public for six months, and its stock--after initially performing very well--is now dropping. At the same time, the company is confronted with several tactical decisions that could impact near-term... View Details
Roberts, Michael J. "ArthroCare." Harvard Business School Case 898-056, December 1997. (Revised December 1998.)
- 10 Nov 2010
- News
A New Era for Raiders
- January–February 2024
- Article
Leaders Must React: A Framework for Responding to Unforeseen Events
By: Nitin Nohria
To be successful, CEOs must articulate a compelling vision, align people around it, and motivate them to execute it. But there’s one thing that can make or break them: how they respond in real time to unforeseen events.
On average, addressing unexpected... View Details
On average, addressing unexpected... View Details
Nohria, Nitin. "Leaders Must React: A Framework for Responding to Unforeseen Events." Harvard Business Review 102, no. 1 (January–February 2024): 51–55.
- 2025
- Working Paper
Government-Brokerage Analysts and Market Stabilization: Evidence from China
By: Sheng Cao, Xianjie He, Charles C.Y. Wang and Huifang Yin
We show analysts at government-controlled brokerage firms serve as a market stabilization tool
in China. Using earnings forecasts from 2005–2019, we find government-brokerage analysts
issue relatively more optimistic—yet less accurate and timely—forecasts during... View Details
Keywords: Sell-side Analysts; Forecast Optimism; Forecast Accuracy; Government Incentives; Market Stabilization; Government Ownership; Coordinated Economies; Stocks; Forecasting and Prediction; Business and Government Relations; Emerging Markets
Cao, Sheng, Xianjie He, Charles C.Y. Wang, and Huifang Yin. "Government-Brokerage Analysts and Market Stabilization: Evidence from China." Harvard Business School Working Paper, No. 18-095, March 2018. (Revised March 2025.)
- February 1992 (Revised October 1996)
- Case
CUC International, Inc. (A)
By: Krishna G. Palepu and Paul M. Healy
The case series examines the role of financial reporting and corporate finance policies as vehicles for communication between managers and outside investors. This case describes management's concern that the company's stock is undervalued because analysts viewed the... View Details
Keywords: Financial Reporting; Stocks; Financial Management; Decisions; Economic Slowdown and Stagnation; Management Style; Management Practices and Processes; Business and Shareholder Relations; Value; Financial Services Industry
Palepu, Krishna G., and Paul M. Healy. "CUC International, Inc. (A)." Harvard Business School Case 192-099, February 1992. (Revised October 1996.)
- December 2017 (Revised May 2018)
- Case
Amazon Buys Whole Foods
By: José B. Alvarez, David Lane and Joni Coughlin
The June 2017 news that e-commerce giant Amazon was paying $13.7 billion for organic supermarket chain Whole Foods precipitated a broad sell-off in the shares of grocery retailers and suppliers. Behind the precipitous declines lay recognition that Amazon’s bold move... View Details
Keywords: Amazon; Whole Foods; Grocery; Grocery Delivery; Mergers ＆ Acquisitions; Business Models; Food Value Chain; Agribusiness; Mergers and Acquisitions; Operations; Competitive Strategy; E-commerce; Agriculture and Agribusiness Industry; Retail Industry; Web Services Industry; Food and Beverage Industry; United States
Alvarez, José B., David Lane, and Joni Coughlin. "Amazon Buys Whole Foods." Harvard Business School Case 518-056, December 2017. (Revised May 2018.)
- March 2008 (Revised April 2009)
- Case
Eliot Spitzer: Pushing Wall Street to Reform
By: Rawi Abdelal, Rafael Di Tella and Jonathan Schlefer
New York State Attorney General Eliot Spitzer faced a decision about how to stop wrongdoing committed by major Wall Street firms during the Internet boom. The equities analysts of Merrill Lynch and other Wall Street firms were charged with objectively advising retail... View Details
Keywords: Crime and Corruption; Decisions; Financial Institutions; Stocks; Governing Rules, Regulations, and Reforms; Laws and Statutes; Lawsuits and Litigation; Conflict of Interests; Internet; Financial Services Industry; United States
Abdelal, Rawi, Rafael Di Tella, and Jonathan Schlefer. "Eliot Spitzer: Pushing Wall Street to Reform." Harvard Business School Case 708-019, March 2008. (Revised April 2009.)
- April 2020
- Teaching Note
Executive Compensation at Talent Partners
By: Richard S. Ruback, Royce G. Yudkoff and Ahron Rosenfeld
Teaching Note for HBS Case No. 211-073. Talent Partners, a payroll service firm focused on actors in commercials, hired Paul Muratore to be its CEO in 2002. His compensation package included a fixed salary and a bundle of Stock Appreciation Rights (SAR) that would... View Details
- March 2002 (Revised October 2002)
- Case
Akamai's Underwater Options (A)
By: Brian J. Hall, Houston Lane and Jonathan Lim
Akamai's stock price declines dramatically with the NASDAQ in 2000, causing virtually all employee options to go underwater. Ownership and retention incentives are largely destroyed, and employee morale falls sharply. Management weighs the pros and cons of various... View Details
Hall, Brian J., Houston Lane, and Jonathan Lim. "Akamai's Underwater Options (A)." Harvard Business School Case 902-069, March 2002. (Revised October 2002.)
- 22 May 2020
- Blog Post
Remembering Well and Making Meaning of Memorial Day
pure well-wishing – “hope alone is not a course of action,” one of my commanders loved to say. I believe remembering well means both taking stock of where we’ve been, and taking action – in service – going forward. One of the greatest... View Details
- January–February 2019
- Article
Corporate Purpose and Financial Performance
By: Claudine Gartenberg, Andrea Prat and George Serafeim
We construct a measure of corporate purpose within a sample of U.S. companies based on approximately 500,000 survey responses of worker perceptions about their employers. We find that this measure of purpose is not related to financial performance. However, high... View Details
Keywords: Corporate Purpose; Purpose; Employee Motivation; Belief Systems; Corporate Performance; Human Capital; Middle Management; Culture; Corporate Culture; Meaning; Mission and Purpose; Organizational Culture; Employees; Perception; Values and Beliefs; Performance Effectiveness
Gartenberg, Claudine, Andrea Prat, and George Serafeim. "Corporate Purpose and Financial Performance." Organization Science 30, no. 1 (January–February 2019): 1–18.