Publications

01 Dec 2003
What Do You Think?

Is This the Twilight Era for the Managed Mutual Fund?

Summing Up What Will it Take to Save the Managed Mutual Fund? In this month's column, I purposely took what I assumed was an extreme position in asking if this was the twilight era for the managed mutual fund. The responses the column generated from individual... View Details

Keywords: by James Heskett

13 Nov 2017
News

Carrum Health Wins Harvard Business School and Harvard Medical School Health Acceleration Challenge

June 2003
Case

A Brief History of the Browser Wars

Recounts the history of the evolution of browser market shares from 1994 forward. Netscape's Navigator establishes a huge early lead, but is then displaced by an equally dominant offering from Microsoft. Highlights the role of Microsoft's dominance in desktop operating... View Details

Keywords: Competition; Marketing Strategy; Software; Web Services Industry

January 2017
Article

Contract Design and Stability in Many-to-Many Matching

By: John William Hatfield and Scott Duke Kominers

We develop a model of many-to-many matching with contracts that subsumes as special cases many-to-many matching markets and buyer/seller markets with heterogeneous and indivisible goods. In our setting, substitutable preferences are sufficient to guarantee the... View Details

Keywords: Many-to-Many Matching; Stability; Substitutes; Contract Design; Contracts; Marketplace Matching; Balance and Stability

10 Oct 2018
Blog Post

6 Lessons Learned from a Summer of Entrepreneurship

The summer was off to a great start! After starting our business in January, Melissa Bergin (Section A, 2019) and I (Section J, 2019) decided to work on our company, Bundle, for our summer internship. Bundle is a platform that provides... View Details

Keywords: Entrepreneurship

September 2017
Case

Tencent

By: John R. Wells and Gabriel Ellsworth

Tencent had undergone many transformations since it was founded in 1998 as a simple messaging service. In 2017, it was the largest online games provider in China with a wide range of game types, China’s largest social networking service provider with several of the... View Details

Keywords: Tencent; Tencent Holdings; WeChat; Social Networking; Social Networks; Gaming; Gaming Industry; Video Games; Computer Games; Mobile Gaming; Portals; Payments; Mobile Payments; O2O; Online-to-offline; E-commerce; Messaging; Subscription Model; Freemium; Mobile App Industry; Smartphone; PC; Monetization Strategy; Antitrust; Streaming; Cloud Computing; Artificial Intelligence; Big Data; Alibaba; Facebook; JD.com; Tesla; Bundling; Synergies; Digital Strategy; Imitation; Licensing; Agility; Entry Barriers; Online Platforms; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Units; Business Growth and Maturation; Business Organization; For-Profit Firms; Joint Ventures; Restructuring; Communication; Communication Technology; Blogs; Interactive Communication; Interpersonal Communication; Entertainment; Film Entertainment; Games, Gaming, and Gambling; Music Entertainment; Investment; Investment Portfolio; Price; Profit; Revenue; Geographic Scope; Cross-Cultural and Cross-Border Issues; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Business History; Innovation Strategy; Technological Innovation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Product Positioning; Social Marketing; Network Effects; Emerging Markets; Market Entry and Exit; Digital Platforms; Industry Growth; Monopoly; Media; Distribution Channels; Product Development; Service Delivery; Organizational Change and Adaptation; Organizational Structure; Public Ownership; Problems and Challenges; Business and Government Relations; Groups and Teams; Networks; Opportunities; Social and Collaborative Networks; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Cooperation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Vertical Integration; Segmentation; Information Technology; Internet and the Web; Mobile and Wireless Technology; Internet and the Web; Applications and Software; Information Infrastructure; Digital Platforms; Internet and the Web; Mobile and Wireless Technology; Value Creation; Communications Industry; Entertainment and Recreation Industry; Financial Services Industry; Information Industry; Information Technology Industry; Media and Broadcasting Industry; Motion Pictures and Video Industry; Music Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; Web Services Industry; Asia; China; Canton (province, China)

May 2017
Article

Psychologically Informed Implementations of Sugary-Drink Portion Limits

By: Leslie John, Grant Donnelly and Christina Roberto

In 2012, the New York City Board of Health prohibited restaurants from selling sugary drinks in containers larger than 16 ounces. Although a state court ruled that the Board of Health did not have the authority to implement such a policy, it remains a legally viable... View Details

Keywords: Nutrition; Governing Rules, Regulations, and Reforms; Public Administration Industry; Food and Beverage Industry; New York (city, NY)

2007
Working Paper

Platform Envelopment

By: Thomas Eisenmann, Geoffrey Parker and Marshall Van Alstyne

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. We explore a second entry path that does not rely upon Schumpeterian innovation: platform envelopment. Through envelopment, a provider in one... View Details

Keywords: Digital Platforms; Market Entry and Exit; Network Effects

07 Jul 2009
First Look

First Look: July 7

driven at least partly by career concerns. Download the paper: http://www.hbs.edu/research/pdf/09-014.pdf Policy Bundling to Overcome Loss Aversion: A Method for Improving Legislative Outcomes Authors:Katherine L. Milkman, Mary Carol... View Details

Keywords: Martha Lagace

Platform Envelopment

Due to network effects and switching costs in platform markets, entrants generally must offer revolutionary functionality. Platform envelopment offers a second entry path: one that does not rely upon Schumpeterian innovation. Examples of successful envelopment... View Details

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

Keywords: Executive Compensation; Stock Options; Compensation and Benefits

October 2011 (Revised December 2012)
Case

eHealthpoint: Healthcare for Rural India

By: Richard G. Hamermesh, Mona Sinha and Elizabeth Vrolyk

Healthpoint Services sought to address rural India's shortage of quality and affordable healthcare with a multi-service platform that comprised telemedical health clinics called eHealthpoints, clean drinking water, a diagnostic lab, and a pharmacy. Could they convince... View Details

Keywords: Health Care and Treatment; Health Industry; India

2008
Working Paper

Economic Factors Underlying the Unbundling of Advertising Agency Services

By: Mohammad Arzaghi, Ernst R. Berndt, James C. Davis and Alvin J. Silk

This paper addresses a longstanding puzzle involving the unbundling of services that has occurredover more than two decades in the U.S. advertising agency industry: How can the shift from the bundling to the unbundling of services be explained and what accounts for the... View Details

Keywords: Transformation; Framework; Service Operations; Decisions; Relationships; Price; Diversification; Geography; Cost; Advertising Industry; United States

April 2015 (Revised June 2020)
Case

Comcast Corporation (A)

By: Sunil Gupta, Henry McGee, Felix Oberholzer-Gee and Margaret L. Rodriguez

In March 2015, the U.S. television industry received a major wake-up call. HBO, a premium cable channel with over 30 million subscribers, had announced it would begin offering a standalone streaming service. This new service would allow customers to bypass the cable... View Details

Keywords: Cable Television; HBO; Industry Evolution; Television Entertainment; Disruption; Business Model; Competitive Strategy; Media and Broadcasting Industry

April 1999 (Revised August 1999)
Case

R&B Falcon

R&B Falcon is the world's leading offshore drilling contractor. Amid surging exploration budgets and increasing deepwater drilling activity, the company makes huge investments in several new state-of-the art $300 million ultra-deep-water drilling rigs. As day rates and... View Details

Keywords: Technology; Change Management; Industry Growth; Mining; Product Marketing; Mining Industry

2023
Working Paper

The Economic and Environmental Effects of Making Electricity Infrastructure Excludable

By: Husnain Fateh Ahmad, Ayesha Ali, Robyn C. Meeks, Zhenxuan Wang and Javed Younas

Electricity theft occurs when individuals cannot be excluded from accessing services. We study the impacts of an infrastructure upgrade in Karachi, Pakistan -- converting bare distribution wires to aerial bundled cables (ABCs) -- that was intended to prevent illegal... View Details

Keywords: Infrastructure; Energy; Environmental Sustainability; Utilities Industry; Pakistan

SSRN

September 2006 (Revised September 2007)
Case

VMware, Inc. (A)

By: David B. Yoffie, Ward Bullard, Nikhil Raj and Suja Vaidyanathan

VMware, Inc., the first company to crack the software virtualization market, faces new challenges from competitors' plans to bundle free virtualization solutions in operating systems. VMware, acquired by data storage giant EMC Corp. in 2003, has delivered top-line... View Details

Keywords: Technological Innovation; Growth and Development Strategy; Market Entry and Exit; Open Source Distribution; Competition

May 2025
Case

Dell Med: Transforming Care Delivery & Payment

By: Robert S. Kaplan, David N. Bernstein and Mary L. Witkowski

Health care in the U.S. and globally continues to undergo massive transformation, surging towards a system that rewards value for patients. However, widespread adoption of value-based health care remains a challenge. This case study focuses on the care delivery... View Details

Keywords: Health Care and Treatment; Business Strategy; Leading Change; Decisions; Transformation; Health Industry; United States; Texas