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- All HBS Web
(2,960)
- People (7)
- News (876)
- Research (1,618)
- Events (5)
- Multimedia (9)
- Faculty Publications (528)
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- December 2007 (Revised January 2008)
- Background Note
Evaluating M&A Deals-Announcement Effects, Risk Arbitrage and Event Risk
The announcement of merger or acquisition conveys new information to the capital markets. This note describes how the stock prices of a Buyer and Target behave after the announcement of a deal. First, for an all-stock deal that is certain to go through, the note... View Details
Keywords: Mergers and Acquisitions; Announcements; Capital Markets; Stocks; Price; Risk and Uncertainty
Baldwin, Carliss Y. "Evaluating M&A Deals-Announcement Effects, Risk Arbitrage and Event Risk." Harvard Business School Background Note 208-103, December 2007. (Revised January 2008.)
- 08 Mar 2021
- In Practice
COVID Killed the Traditional Workplace. What Should Companies Do Now?
A year ago, COVID-19 forced many companies to send employees home—often with a laptop and a prayer. Now, with COVID cases subsiding and vaccinations rising, the prospect of returning to old office routines appears more possible. But will employees want to flock back to... View Details
Keywords: by Dina Gerdeman
- 18 Apr 2023
- Research & Ideas
The Best Person to Lead Your Company Doesn't Work There—Yet
Companies looking for the best possible leaders—and leaders looking to become CEOs—would do well to heed the model of private-equity (PE) backed companies, which often look outside their ranks when hiring for the top job and see excellent results. Three-quarters of... View Details
- 20 Aug 2020
- Book
From the Plow to the Pill: How Technology Shapes Our Lives
School Professor Debora Spar. In fact, as many life-altering technologies have come into play, they have upended long-held beliefs about love, sex, marriage, and reproduction, says Spar in the new book Work Mate Marry Love: How Machines... View Details
Keywords: by Dina Gerdeman
- March 2025 (Revised May 2025)
- Case
Primetime Partners: Investing in Healthspan, Wealthspan, and Workspan
By: Rembrand Koning, Nicole Tempest Keller and Susan Wilner Golden
In the fall of 2024, Abby Miller Levy (HBS ’01), co-founder and managing partner of Primetime Partners, was preparing to raise a second fund. Founded in 2020 with veteran investor Alan Patricof, Primetime was a horizontal fund focused on early-stage companies serving... View Details
Keywords: Investment Funds; Age; Social Issues; Financing and Loans; Investment Return; Business Strategy; Financial Services Industry; United States
Koning, Rembrand, Nicole Tempest Keller, and Susan Wilner Golden. "Primetime Partners: Investing in Healthspan, Wealthspan, and Workspan." Harvard Business School Case 825-095, March 2025. (Revised May 2025.)
- 2021
- Working Paper
Trade and the Single Car Market: The EC-Japan Elements of Consensus, 1985–1999
By: Grace Ballor
In 1991, in the midst of the program to create a liberal Single European Market and in the context of a new Joint Declaration for cooperation with Japan, the European Commission brokered a private deal to restrict Japanese imports into the European Community for nearly... View Details
Keywords: Market; Protectionism; Liberalization; Trade; Markets; International Relations; Auto Industry; Europe; European Union; Japan
Ballor, Grace. "Trade and the Single Car Market: The EC-Japan Elements of Consensus, 1985–1999." Harvard Business School Working Paper, No. 21-145, June 2021.
- 27 Jan 2020
- Research & Ideas
Hard Work Isn't Enough: How to Find Your Edge
money, time, and connections that part the workplace waters—even when they don’t have the best ideas or the most talent. “It’s a myth that hard work is enough. We’ve all had experiences where we worked hard and still ended up losing out on a View Details
Keywords: by Dina Gerdeman
- Teaching Interest
Investment Managment for Professional and Personal Investors
By: Luis M. Viceira
IMPPI is suitable for all students interested in gaining a broad perspective on investing and the asset management business, including those targeting careers in asset management and those interested in learning how to become sophisticated consumers of investment... View Details
- March 2008 (Revised June 2009)
- Case
Actis: January 2008
By: Felda Hardymon, Josh Lerner and Ann Leamon
Paul Feltcher, the CEO of Actis, a leading private equity investor in emerging markets, is preparing for an executive retreat at which the management team will consider how best to position the firm for the future. Actis could move in a number of different directions... View Details
Keywords: Business Model; Private Equity; Investment; Growth and Development Strategy; Management Teams; Emerging Markets; Organizational Change and Adaptation
Hardymon, Felda, Josh Lerner, and Ann Leamon. "Actis: January 2008." Harvard Business School Case 808-130, March 2008. (Revised June 2009.)
- 10 Jan 2011
- Research & Ideas
Is Groupon Good for Retailers?
At first blush, the two-year-old online start-up Groupon seems a bit audacious. For starters, there's the news that the deal-of-the-day website turned down a $6 billion acquisition offer from Google last month. Then there's the company's... View Details
- 09 Jan 2020
- Book
Rethinking Business Strategy in the Age of AI
challenges that these digital businesses have to deal with to provide an effective, unbiased service that protects the rights of consumers. And we can learn a lot from this new generation of digital firms as... View Details
Keywords: by Dina Gerdeman
- November 2004 (Revised September 2019)
- Background Note
The U.S. Health Club Industry in 2004
By: John R. Wells, Gabriel Ellsworth and Benjamin Weinstock
In 2004, the $16.8 billion U.S. health club industry continued its strong record of growth. There were almost 27,000 health clubs in the United States, up from 6,700 two decades earlier, and these clubs claimed 41 million members, over 14% of the U.S. population.... View Details
Keywords: Health Clubs; Fitness; Gyms; Chain; Weight Loss; Obesity; Exercise; Personal Training; Bally Total Fitness; 24 Hour Fitness; YMCA; Gold's Gym; Curves; Franchise; Franchising; Subscription; Promotional Sales; Promotions; Fixed Costs; Body; Accrual Accounting; Revenue Recognition; Buildings and Facilities; Business Growth and Maturation; Business Model; For-Profit Firms; Trends; Customers; Demographics; Age; Income; Private Equity; Financing and Loans; Profit; Revenue; Geographic Scope; Multinational Firms and Management; Health; Nutrition; Business History; Employees; Retention; Human Capital; Working Conditions; Contracts; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Markets; Demand and Consumers; Supply and Industry; Industry Growth; Industry Structures; Operations; Service Operations; Franchise Ownership; Private Ownership; Public Ownership; Problems and Challenges; Sales; Salesforce Management; Situation or Environment; Opportunities; Nonprofit Organizations; Welfare; Sports; Strategy; Business Strategy; Competition; Competitive Strategy; Consolidation; Corporate Strategy; Customization and Personalization; Expansion; Segmentation; Hardware; Health Industry; United States
Wells, John R., Gabriel Ellsworth, and Benjamin Weinstock. "The U.S. Health Club Industry in 2004." Harvard Business School Background Note 705-445, November 2004. (Revised September 2019.)
- 2010
- Chapter
Deferred Acceptance Algorithms: History, Theory, Practice
By: Alvin E. Roth
The deferred acceptance algorithm proposed by Gale and Shapley (1962) has had a profound influence on market design, both directly, by being adapted into practical matching mechanisms, and indirectly, by raising new theoretical questions. Deferred acceptance algorithms... View Details
- 2023
- Working Paper
The Politics of Philanthropy in China
By: Geoffrey Jones and Yuhai Wu
This working paper looks historically at business philanthropy in China. In the West, the literature has distinguished between entrepreneurial and customary philanthropy, while the phenomenon of spiritual philanthropy has been identified in many emerging markets. This... View Details
Keywords: China; Philanthropy; Ethics; Philanthropy and Charitable Giving; Moral Sensibility; Corporate Social Responsibility and Impact; Economic Systems; Economic Sectors; China
Jones, Geoffrey, and Yuhai Wu. "The Politics of Philanthropy in China." Harvard Business School Working Paper, No. 23-067, May 2023.
- 2017
- Working Paper
The Need for Speed: Effects of Uncertainty Reduction in Patenting
By: Mike Horia Teodorescu
Patents are essential in commerce to establish property rights for ideas and to give equal protection to firms that develop new technologies. Young firms especially depend on the protection of intellectual property to bring a product from concept to market. However,... View Details
- 25 Sep 2007
- First Look
First Look: September 25, 2007
Working PapersIntra-Industry Foreign Direct Investment Authors:Laura Alfaro and Andrew Charlton Abstract We use a new firm-level data set that establishes the location, ownership, and activity of 650,000 multinational subsidiaries—close... View Details
Keywords: Martha Lagace
- 03 Oct 2017
- First Look
First Look at Research and Ideas, October 3, 2017
industries. Extreme Teaming provides new insights into the world of complex, cross-industry projects and the ways they must be managed. The authors analyze contemporary cases that expose the complex demands of cross-boundary collaboration... View Details
Keywords: by Sean Silverthorne
- 15 Oct 2007
- Research & Ideas
Businesses Beware: The World Is Not Flat
expansion," Ghemawat argues. While identifying similarities from one place to the next is essential, effective cross-border strategies will take careful stock of differences as well. An expert on global strategy, Ghemawat lays out an action plan for business in... View Details
Keywords: by Martha Lagace
- November 2008
- Case
The Hong Kong & China Gas Company Ltd.: Negotiating Joint Ventures in China
By: James K. Sebenius, Michael Shih-ta Chen and Medha Samant
To deliver 5-6 major new Chinese joint ventures annually, Hong Kong China Gas executives began extracting cross-border negotiating lessons from their 80 existing Chinese JVs. Chairman Alfred Chan and CEO Peter Wong knew that HKGC's growth strategy required significant... View Details
Keywords: Joint Ventures; Cross-Cultural and Cross-Border Issues; Negotiation Tactics; Interests; Cooperation; Expansion; Utilities Industry; Hong Kong
Sebenius, James K., Michael Shih-ta Chen, and Medha Samant. "The Hong Kong & China Gas Company Ltd.: Negotiating Joint Ventures in China." Harvard Business School Case 909-028, November 2008.
- 30 Jun 2014
- Lessons from the Classroom
The Role of Emotions in Effective Negotiations
A simple view of negotiation presents a cold transaction between what one person has and what the other person is willing to pay for it. If the price is right, the deal gets done. As anyone who has recently bought a car or sold a house... View Details