Publications

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2021
Working Paper

Going by the Book: Valuation Ratios and Stock Returns

By: Ki-Soon Choi, Eric So and Charles C.Y. Wang

We study the use of firms’ book-to-market ratios (B/M) in value investing and its implications for comovements in firms’ stock returns and trading volumes. We show B/M has become increasingly detached from common alternative valuation ratios over time while also... View Details

Keywords: Valuation Ratios; Book-to-market Ratios; Investment Return; Investment; Decision Making

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12 Feb 2025
Video

Who owns it? The Ownership Project on how property rights shape business

23 Jan 2018
Working Paper Summaries

Transaction Costs and the Duration of Contracts

Keywords: by Alexander MacKay

June 2014 (Revised September 2014)
Case

Johnson & Johnson: The Promotion of Wellness

By: John A. Quelch and Carin-Isabel Knoop

To create the world's healthiest workforce, diversified health care giant Johnson & Johnson (J&J) mandated participation in its "Culture of Health" program globally, customized by location, culture, and specific health needs to offer prevention-focused education,... View Details

Keywords: Healthcare; Employee Motivation; Transformation; Ethics; Health; Human Resources; Leadership; Management; Personal Development and Career; Problems and Challenges; Strategy; Health Industry; Medical Devices and Supplies Industry; Pharmaceutical Industry; North and Central America; Middle East; Latin America; Europe; Asia

September 2019
Case

Bill & Melinda Gates Foundation: Shaping the Vaccine Manufacturing Ecosystem

By: Willy C. Shih

Vaccines for children has been a long-standing focus for the Bill & Melinda Gates Foundation, and its critical role in public health made its production an important economic and political issue. This case describes the Foundation's investment in a breakthrough vaccine... View Details

Keywords: Vaccine; Production; Supply Chain; Product; Biotechnology Industry; Pharmaceutical Industry; Manufacturing Industry; Belgium

31 May 2020
Working Paper Summaries

Demystifying the Math of the Coronavirus

Keywords: by Elon Kohlberg and Abraham Neyman; Health

10 Jul 2018
News

Trump’s Protectionist Threat to Latin America

March 2015
Article

Inside the “Black Box” of Sell-Side Financial Analysts

By: Lawrence D. Brown, Andrew C. Call, Michael B. Clement and Nathan Y. Sharp

Our objective is to penetrate the “black box” of sell-side financial analysts by providing new insights into the inputs analysts use and the incentives they face. We survey 365 analysts and conduct 18 follow-up interviews covering a wide range of topics, including the... View Details

Keywords: Knowledge Use and Leverage; Investment; Analysis; Forecasting and Prediction; Stocks; Financial Services Industry

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March 2016
Article

The Cost of Friendship

By: Paul A. Gompers, Vladimir Mukharlyamov and Yuhai Xuan

We investigate how personal characteristics affect people's desire to collaborate and whether this attraction enhances or detracts from performance in venture capital. We find that venture capitalists who share the same ethnic, educational, or career background are... View Details

Keywords: Venture Capital; Partners and Partnerships; Entrepreneurship; Personal Characteristics

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February 2017 (Revised February 2018)
Case

Frank Baker: Siris Capital Group and Titan Systems

By: Steven Rogers and Derrick Collins

Private equity firm, Siris Capital Group, must decide if they should raise their offer to take Titan Telecom private by acquiring its publicly traded stock. Siris’ decision to pay a premium for Titan must be made in the context of their unique (and somewhat complex)... View Details

Keywords: Acquisition; Leveraged Buyouts; Mergers and Acquisitions; Private Equity; Mobile Technology; Financial Services Industry; Communications Industry; Telecommunications Industry; United States

22 Aug 2011
News

US must learn from others' pension plans

11 Oct 2024
Blog Post

Committing to Work and Family: Allison Boxer (MBA 2012)

I found my professional North Star as an undergraduate student while studying abroad in rural Tanzania. Our work in clean water access was a light bulb moment for me, clarifying the ways in which business and social View Details

Keywords: All Industries

February 2009
Case

Paresh Patel: Building a Life in the Context of Global Business - October 2007

By: Howard H. Stevenson and Shirley Spence

This case tells the story of Paresh Patel, born in Boston to an Indian immigrant family, as he develops an entrepreneurial career, participates in the Indian diaspora, and builds a family life. It provides background on Paresh's heritage, describes his youth and... View Details

Keywords: Diasporas; Work-Life Balance; Personal Development and Career; Entrepreneurship; Boston; Mumbai

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04 Jun 2024
Blog Post

Finding Alignment to Make Impact: Layla Ramirez (MBA 2017)

secured a role with Management Leadership for Tomorrow (MLT), which would propel her career in a new, mission-driven direction. Connecting Impact and Advancement At MLT, Ramirez had the opportunity to... View Details

August 1990 (Revised March 1991)
Case

Eli Lilly and Co. (C): Japan

By: Michael Y. Yoshino

Describes the process of establishing an independent operation in Japan in the mid-1980s as a result of a decision to make a major investment in the market. Describes the challenges in setting up such an operation and focuses on the role of the country manager in... View Details

Keywords: Business Divisions; Business Startups; Decisions; Investment; Growth Management; Managerial Roles; Markets; Problems and Challenges; Pharmaceutical Industry; Japan

November 2010 (Revised August 2012)
Case

The Indego Africa Project

By: Kathleen L. McGinn and Rachel Gordon

Two young attorneys found and begin to build the Indego Africa Project, an NGO partnering with women's cooperatives in Rwanda. Indego connects the cooperatives to the international retail market for handmade artisan products, helps the cooperatives build their business... View Details

Keywords: Cooperative Ownership; Nonprofit Organizations; Business Growth and Maturation; Corporate Finance; Non-Governmental Organizations; Growth and Development Strategy; Rwanda

29 May 2013
Research & Ideas

Faculty Symposium Showcases Breadth of Research

An internal event held each May, the annual Faculty Research Symposium affords the opportunity for a few Harvard Business School faculty to share their latest research with an audience of doctoral students, HBS staff, and other... View Details

Keywords: by Carmen Nobel; Financial Services

October 1992 (Revised November 1997)
Case

ImmuLogic Pharmaceutical Corporation (A): March 1991

By: Josh Lerner

ImmuLogic Pharmaceutical Corp., a development-stage biotechnology company, is considering making an initial offering of common stock. The diverse perspectives of the entrepreneur, venture capitalist, investment banker, and institutional investor are explored. Problems... View Details

Keywords: Decisions; Entrepreneurship; Venture Capital; Banks and Banking; Initial Public Offering; Going Public; Perspective; Valuation; Biotechnology Industry; Pharmaceutical Industry

June 2012 (Revised June 2012)
Case

PunchTab, Inc. Investor Presentation Deck

By: William R. Kerr and Ramana Nanda

This case examines the PowerPoint presentation that Ranjith Kumaran, founder of the start-up PunchTab, Inc., is using for his investment pitches to venture capital firms. Students can discuss the materials that Kumaran has included, his presentation style, and what... View Details

Keywords: Entrepreneurship; Management; Presentations; Venture Capital; Business Startups