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All HBS Web
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- Faculty Publications (255)
- September 2006 (Revised October 2007)
- Module Note
Platform-Mediated Networks: Definitions and Core Concepts
Defines platform-mediated networks and introduces concepts central to their study. First, it defines networks and network effects; explains how network effects influence users' willingness-to-pay for network access; describes factors that determine the strength of...
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Keywords:
Consumer Behavior;
Network Effects;
Digital Platforms;
Information Technology;
Information Infrastructure;
Digital Platforms
Eisenmann, Thomas R. "Platform-Mediated Networks: Definitions and Core Concepts." Harvard Business School Module Note 807-049, September 2006. (Revised October 2007.)
- July 2006
- Article
Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows
By: Ramon Casadesus-Masanell and Pankaj Ghemawat
This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by...
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Keywords:
Open Source Software;
Demand-side Learning;
Network Effects;
Linux;
Mixed Duopoly;
Competitive Dynamics;
Business Models;
Duopoly and Oligopoly;
Information Technology;
Applications and Software;
Business Model;
Mathematical Methods;
Digital Platforms;
Profit;
Balance and Stability;
Management Analysis, Tools, and Techniques;
SWOT Analysis;
Competition;
Price;
Information Technology Industry
Casadesus-Masanell, Ramon, and Pankaj Ghemawat. "Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows." Management Science 52, no. 7 (July 2006): 1072–1084.
- March 2006 (Revised December 2009)
- Compilation
Skype
By: Peter A. Coles and Thomas R. Eisenmann
Presents eBay's rationale for its $2.6 billion acquisition in late 2005 of Skype, a fast growing voice-over-Internet protocol (VoIP) provider. Describes Skype's history, technology, business model, and competition, as well as government regulation of VoIP services.
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- February 2006 (Revised September 2007)
- Background Note
Winner-Take-All in Networked Markets
Discusses platform structure in new networked markets, that is, whether a market that exhibits network effects will be served by a single platform or by rival platforms. Defines "platforms" and "platform structure"; describes factors that influence the odds that a...
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Keywords:
Forecasting and Prediction;
Growth Management;
Network Effects;
Digital Platforms;
Internet and the Web
Eisenmann, Thomas R. "Winner-Take-All in Networked Markets." Harvard Business School Background Note 806-131, February 2006. (Revised September 2007.)
- January 2006 (Revised October 2007)
- Background Note
Managing Networked Businesses: Course Overview for Students
Provides an overview for students of the MBA elective course Managing Networked Businesses (MNB). MNB focuses on management challenges in businesses that exhibit network effects. The first section of the note explains that such businesses comprise a large and growing...
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Keywords:
Business Model;
Capital Structure;
Business or Company Management;
Network Effects;
Organizational Design;
Business and Government Relations;
Social and Collaborative Networks;
Competitive Strategy
Eisenmann, Thomas R. "Managing Networked Businesses: Course Overview for Students." Harvard Business School Background Note 806-103, January 2006. (Revised October 2007.)
- May 2004
- Background Note
56K Modem Battle
By: David B. Yoffie and Deborah Freier
Examines the battle to set the standard for the 56K modem. Set in 1996, this case looks at how computers accessed the Internet via a telephone line, or dial-up connection, and a hardware modem. In 1995, there were 18.6 million total modem unit shipments, with market...
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Keywords:
Announcements;
Revenue;
Patents;
Product Launch;
Network Effects;
Standards;
Competition;
Information Infrastructure;
Internet and the Web;
Technology Industry;
Illinois
Yoffie, David B., and Deborah Freier. "56K Modem Battle." Harvard Business School Background Note 704-501, May 2004.
- May 2004 (Revised March 2005)
- Case
Instant Messaging
By: David B. Yoffie and Deborah Freier
Explores the usage and technology of instant messaging (IM). IM enables two or more users to communicate almost instantaneously over the Internet with short, private text messages. Most IM service providers chose to remain proprietary and, therefore, a user of most IM...
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Keywords:
Network Effects;
Standards;
Communication Technology;
Mobile and Wireless Technology;
Internet and the Web;
Web Services Industry
Yoffie, David B., and Deborah Freier. "Instant Messaging." Harvard Business School Case 704-502, May 2004. (Revised March 2005.)
- February 2004 (Revised March 2004)
- Case
Fuel Cells: The Hydrogen Revolution?
By: Thomas R. Eisenmann and Ryland Matthew Willis
The challenges faced in establishing hydrogen fuel cell-powered transportation in the United States, which promises to reduce greenhouse gas emissions and dependence on imported oil is examined. Foremost among these challenges is a "chicken-and-egg" dynamic: consumers...
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Keywords:
Taxation;
Environmental Sustainability;
Infrastructure;
Government Administration;
Energy Sources;
Business and Government Relations;
Network Effects;
Transportation;
Green Technology Industry;
Energy Industry;
European Union;
Japan;
United States
Eisenmann, Thomas R., and Ryland Matthew Willis. "Fuel Cells: The Hydrogen Revolution?" Harvard Business School Case 804-144, February 2004. (Revised March 2004.)
- January 2004 (Revised October 2006)
- Case
Electronic Arts in Online Gaming
By: Thomas R. Eisenmann and Justin Wong
Electronic Arts (EA), the world's largest independent video-game publisher, must decide whether to support Microsoft's initiatives in online gaming. Historically, EA has been platform-agnostic, releasing versions of its titles for all major console platforms. However,...
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Keywords:
Corporate Strategy;
Digital Platforms;
Network Effects;
Policy;
Customer Focus and Relationships;
Games, Gaming, and Gambling;
Revenue;
Segmentation;
Sales;
Entertainment and Recreation Industry;
Electronics Industry
Eisenmann, Thomas R., and Justin Wong. "Electronic Arts in Online Gaming." Harvard Business School Case 804-140, January 2004. (Revised October 2006.)
- November 2003 (Revised March 2004)
- Case
Teledesic (Abridged)
Describes plans for a failed project that proposed the use of 288 satellites to deliver high-speed data communications services anywhere in the world.
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Keywords:
Communication Technology;
Network Effects;
Failure;
Information Technology Industry;
Telecommunications Industry
Eisenmann, Thomas R. "Teledesic (Abridged)." Harvard Business School Case 804-096, November 2003. (Revised March 2004.)
- 2003
- Working Paper
Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows
By: Ramon Casadesus-Masanell and Pankaj Ghemawat
This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by...
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Keywords:
Business Model;
Competition;
Open Source Distribution;
Balance and Stability;
Applications and Software;
Network Effects;
Duopoly and Oligopoly
Casadesus-Masanell, Ramon, and Pankaj Ghemawat. "Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows." Harvard Business School Working Paper, No. 04-012, August 2003.
- May 2003
- Module Note
Managing Product Development
By: Stefan H. Thomke
Introduces students to the managerial aspects critical to conceiving, designing, and developing innovative products and services. Considers the full range of activities required: learning about customer needs, understanding and managing experimentation and problem...
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- spring 2003
- Article
The Effects of Diversity on Business Performance: Report of the Diversity Research Network
By: T. Kochan, K. Bezrukova, R. Ely, S. Jackson, A. Joshi, K Jehn, J. Leonard, D. Levine and D. Thomas
Kochan, T., K. Bezrukova, R. Ely, S. Jackson, A. Joshi, K Jehn, J. Leonard, D. Levine, and D. Thomas. "The Effects of Diversity on Business Performance: Report of the Diversity Research Network." Human Resource Management 42, no. 1 (spring 2003): 3–21.
- February 2003
- Article
Which Ties Matter When? The Contingent Effects of Interorganizational Partnerships on IPO Success
By: Ranjay Gulati and M. Higgins
This paper investigates the contingent value of interorganizational relationships at the time of a young firm's initial public offering (IPO). We compare the signaling value to young firms of having ties with two types of interorganizational partnerships: endorsement...
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Keywords:
Interorganizatonal Relationships;
Networks;
Venture Capital;
Initial Public Offering;
Entrepreneurship;
Biotechnology Industry
Gulati, Ranjay, and M. Higgins. "Which Ties Matter When? The Contingent Effects of Interorganizational Partnerships on IPO Success." Strategic Management Journal 24, no. 2 (February 2003): 127–144.
- January 2003 (Revised September 2007)
- Background Note
A Note on Racing to Acquire Customers
Examines factors that motivate a firm's race to acquire customers in newly emerging markets and explores conditions under which racing strategies are likely to yield attractive returns. Provides a definition of racing behavior, introduces the notion of an optimal level...
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Keywords:
Customers;
Price Bubble;
Network Effects;
Emerging Markets;
Market Entry and Exit;
Behavior;
Competition
Eisenmann, Thomas R. "A Note on Racing to Acquire Customers." Harvard Business School Background Note 803-103, January 2003. (Revised September 2007.)
- 2003
- Article
Size of the Pie and Share of the Pie: Implications of Structural Embeddedness for Value Creation and Value Appropriation in Joint Ventures
By: Ranjay Gulati and Lihua Wang
This chapter examines the factors that may influence the total value created in a joint venture (JV) and also the relative value appropriated by each partner in the venture. We look at the effects of both partners' embeddedness in prior networks of relationships and...
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Gulati, Ranjay, and Lihua Wang. "Size of the Pie and Share of the Pie: Implications of Structural Embeddedness for Value Creation and Value Appropriation in Joint Ventures." Research in the Sociology of Organizations 20 (2003): 209–242.
- April 2002 (Revised September 2002)
- Background Note
Capital Controls
By: Rawi E. Abdelal and Laura Alfaro
Only in the waning years of the 20th century did international financial markets begin to enjoy the freedom from government regulation that they had experienced before the first world war. By 2002, international capital markets had grown to be enormous--$1.2 trillion...
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Keywords:
History;
Policy;
Business and Government Relations;
Change Management;
Cost vs Benefits;
Governance Controls;
Governance Compliance;
Emerging Markets;
Financial Markets;
Network Effects;
Banking Industry;
Financial Services Industry
Abdelal, Rawi E., and Laura Alfaro. "Capital Controls." Harvard Business School Background Note 702-082, April 2002. (Revised September 2002.)
- March 2002
- Case
AOL, Cisco, Yahoo!: Building the Internet Commons
By: James E. Austin
Since the spring of 2001, AOL, Cisco, and Yahoo! had collaborated on ways to improve the effectiveness of using the Internet to benefit society. Each company considered itself strongly committed to philanthropy, making significant charitable donations, and fostering a...
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Keywords:
Internet and the Web;
Philanthropy and Charitable Giving;
Business and Community Relations;
Information Technology Industry;
Web Services Industry
Austin, James E. "AOL, Cisco, Yahoo!: Building the Internet Commons." Harvard Business School Case 302-088, March 2002.
- March 2002 (Revised May 2003)
- Case
NeoPets, Inc.
By: Thomas R. Eisenmann and Elizabeth Kind
NeoPets, a rapidly growing Internet start-up, faces decisions about its international expansion strategy--whether to enter a joint venture with a conglomerate in Singapore to exploit Asian markets as well as which other regions to target. NeoPets allows its...
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Keywords:
Expansion;
Global Strategy;
Network Effects;
Joint Ventures;
Business Conglomerates;
Age;
Internet and the Web;
Product Positioning;
Digital Marketing;
Internet and the Web;
Corporate Entrepreneurship;
Information Technology Industry;
Asia;
Singapore
Eisenmann, Thomas R., and Elizabeth Kind. "NeoPets, Inc." Harvard Business School Case 802-100, March 2002. (Revised May 2003.)