Publications

Keywords: Competitive Strategy; Financial Services Industry; United States

April 1979 (Revised July 1985)
Case

Receiving Tube Industry in 1967-78

Keywords: Competition; Competitive Strategy

April 1979 (Revised June 1988)
Case

Chain Saw Industry in 1978

By: Michael E. Porter and David J. Collis

For use on the second day of a two-day sequence on the U.S. chain saw industry. Describes the evolution of the industry since 1974. Illustrates issues in industry evolution, the forces causing evolution, and the strategic issues raised by evolution. The discussion can... View Details

Keywords: Competition; Industry Growth; Manufacturing Industry; United States

April 1979 (Revised June 1988)
Case

Receiving Tube Industry in 1966

Keywords: Competitive Strategy; Corporate Strategy; Competition

March–April 1979
Article

How Competitive Forces Shape Strategy

By: M. E. Porter

Many factors determine the nature of competition, including not only rivals, but also the economics of particular industries, new entrants, the bargaining power of customers and suppliers, and the threat of substitute services or products. A strategic plan of action... View Details

Keywords: Competition; Strategy

February 1979 (Revised October 1982)
Case

Fiber-Optics Industry (B): Historical Development and Competitor Profiles--1978

Keywords: Applied Optics; History; Competition; Information Technology; Communications Industry; Telecommunications Industry

February 1979 (Revised July 1985)
Case

Fiber-Optics Industry (A): Products, Technology, and Markets--1978

Keywords: Competition; Competitive Strategy; Hardware; Communications Industry; Telecommunications Industry

April 1978 (Revised October 1994)
Case

Cumberland Metal Industries (A): Model Year 1978 Negotiations with Beta Motors

By: Benson P. Shapiro

Provides the background on Cumberland Metal Industries' entry into the automotive components market as a supplier of emission control equipment parts. Cumberland Metal must decide what bid to quote on Beta Motor's 1978 model year business. The company previously had a... View Details

Keywords: Decisions; Bids and Bidding; Market Participation; Negotiation; Competitive Strategy; Manufacturing Industry

January 1978 (Revised February 1983)
Case

Polaroid-Kodak (B1)

Describes additional events in battle between Polaroid and Kodak outlined in Polaroid-Kodak. Includes the competitive actions taken by the companies such as the introduction of customer rebates and bonus plans with dealers. Details the new products of each company and... View Details

Keywords: Customer Focus and Relationships; Marketing Strategy; Market Entry and Exit; Product; Competitive Strategy; Electronics Industry

August 1977 (Revised April 1987)
Case

Crown Cork & Seal Co., Inc.

By: Richard G. Hamermesh, Karen Gordon Mills and John P. Reed

Describes the technical, economic, and competitive trends in the metal container industry. The strategy of Crown Cork and Seal is then described in relation to these trends. Focuses on two immediate threats to Crown's strategy: the future of aerosol cans, given the... View Details

Keywords: Business Strategy; Industry Structures; Environmental Sustainability; Trends; Manufacturing Industry

February 1977 (Revised May 1980)
Case

Hospital Affiliates International, Inc. (A)

Keywords: Competitive Strategy; Contracts; Health Industry

spring 1974
Article

The Optimality of a Competitive Stock Market

By: Robert C. Merton and Marti G. Subrahmanyam

Keywords: Competition; Stocks; Markets

1972
Book

The Fight for Competitive Advantage

By: W. E. Fruhan Jr.

Keywords: Competitive Advantage

Forthcoming
Article

Beefing IT Up for Your Investor? Engagement with Open Source Communities, Innovation, and Startup Funding: Evidence from GitHub

By: Annamaria Conti, Christian Peukert and Maria P. Roche

We study the engagement of nascent firms with open source communities and its implications for innovation and attracting funding. To do so, we link data on 160,065 U.S. startups from Crunchbase to their activities on the open source software development platform... View Details

Keywords: Startups; Knowledge; Open Source Communities; GitHub; Machine Learning; Innovation; Business Startups; Venture Capital; Information Technology; Strategy

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Teaching Interest

Competing in the Age of Digital Platforms—(Executive Education)

By: David B. Yoffie

Summary

Without exception, the most valuable companies in the world today are platforms. Microsoft, Apple, Amazon, Google, Facebook, and many other firms have built their fortunes by facilitating innovation across global ecosystems or... View Details

Keywords: Platforms; Technology; Strategy; Digital Business; Social Networks; Self-driving Cars; Mobile Gaming; Esports; Financial Services; Online Retail; Ride-sharing; Search; Auctions; United States; Asia; China; Europe

Research Summary

Porter is engaged in a major new body of work on the theoretical foundations of competitive positioning and the underpinnings of sustainable competitive advantage. This research highlights the distinction between positioning and operational effectiveness; the... View Details

Teaching Interest

Driving Organizational Agility - Virtual

By: Ranjay Gulati

Today's businesses must be alert to changes in the external environment, develop competitive strategies quickly—and adapt the organization to execute. In this virtual program, you'll explore organizational structures and processes that have enabled businesses to... View Details

Forthcoming
Article

Dynamic Competition for Customer Memberships

By: Cristian Chica, Julian Jimenez-Cardenas and Jorge Tamayo

A competitive two-period membership (subscription) market is analyzed. Two symmetric firms charge a “membership” fee that allows consumers to buy products or services at a given unit price for both periods. Firms can choose between long- or short-term memberships. When... View Details

Keywords: Competitive Price Discrimination; Membership; Dynamic Competition; Competition; Price; Consumer Behavior; Business Model