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  • January 1994 (Revised April 1995)
  • Case

Judo Economics

The early 1990s saw a new wave of start-ups in the U.S. airline business. One entrant, Kiwi International Air Lines, took to the skies in September 1992 with a strategy of attracting small-business travelers looking to save money but lacking the flexibility to book in... View Details
Keywords: Market Entry and Exit; Competitive Advantage; Business Startups; Air Transportation Industry; Financial Services Industry
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  • March 2014 (Revised March 2018)
  • Case

Red Bull (A)

By: Eric Van den Steen and Carin-Isabel Knoop
Despite facing giants like Coke, Pepsi, and Budweiser—with obvious potential sources of competitive advantage—Red Bull had established itself as the U.S. market leader in energy drinks. By 2008, however, Red Bull's dominance was challenged as Monster drinks surpassed... View Details
Keywords: Judo Strategy; Judo Economics; Sustainable Competitive Advantage; Imitation; Strategy; Competitive Strategy; Competitive Advantage; Market Entry and Exit; Food and Beverage Industry; United States
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  • July 2013
  • Technical Note

Competition Simulator Exercise: Questions

By: Eric Van den Steen
In the Competition Simulator Exercise, students explore through trial and error some important economic foundations of competitive strategy and managerial economics. In particular, the simulator lets students explore horizontal differentiation with and without price... View Details
Keywords: Economics Of Strategy; Economics Of Competition; Competition; Economics; Game Theory; Competitive Strategy; Marketing Strategy
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  • February 2019 (Revised September 2021)
  • Case

The a2 Milk Company

By: Benjamin C. Esty and Daniel Fisher
The a2 Milk Company (a2MC) became the most valuable company listed on the New Zealand stock exchange in 2018 by capitalizing on a biochemical discovery related to the protein composition of cow's milk. Because many people find the A1 protein difficult to digest, and... View Details
Keywords: Judo Economics; Market Entry; Innovation; Barriers To Response; Industry Attractiveness; Advantage Horizon; Sustainability; First-mover Advantage; Scope; Strategy Execution; Strategic Evolution; Biochemistry; Genetics; Branding; Commodity; Milk; Dairy; Infant Formula; Farming; Porter's Five Forces; Competitive Advantage; Corporate Strategy; Value Creation; Competition; Disruption; Innovation and Invention; Five Forces Framework; Market Entry and Exit
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  • January 2019 (Revised February 2019)
  • Supplement

The a2 Milk Company

By: Benjamin C. Esty, Daniel Fisher and Greg Saldutte
The a2 Milk Company (a2MC) became the most valuable company listed on the New Zealand stock exchange in 2018 by capitalizing on a biochemical discovery related to the protein composition of cow's milk. Because many people find the A1 protein difficult to digest, and... View Details
Keywords: Judo Economics; Market Entry; Innovation; Barriers To Response; Industry Attractiveness; Advantage Horizon; Sustainability; First-mover Advantage; Scope; Strategy Execution; Strategic Evolution; Biochemistry; Genetics; Branding; Commodity; Milk; Dairy; Infant Formula; Farming; Porter's Five Forces; Competitive Advantage; Corporate Strategy; Value Creation; Competition; Market Entry and Exit; Disruption; Innovation and Invention; Five Forces Framework; Consumer Products Industry; New Zealand; Australia; China
Related
  • April 2019
  • Teaching Note

The a2 Milk Company

By: Benjamin C. Esty and Daniel Fisher
The a2 Milk Company (a2MC) became the most valuable company listed on the New Zealand stock exchange in 2018 by capitalizing on a biochemical discovery related to the protein composition of cow's milk. Because many people find the A1 protein difficult to digest, and... View Details
Keywords: Judo Economics; Market Entry; Innovation; Barriers To Response; Industry Attractiveness; Advantage Horizon; Sustainability; First-mover Advantage; Scope; Strategy Execution; Strategic Evolution; Biochemistry; Genetics; Branding; Commodity; Milk; Dairy; Infant Formula; Farming; Porter's Five Forces; Market Entry and Exit; Disruption; Innovation and Invention; Competitive Advantage; Corporate Strategy; Value Creation; Competition; Brands and Branding; Five Forces Framework; Consumer Products Industry; New Zealand; Australia; China
Related
  • June 2012 (Revised July 2013)
  • Exercise

Competition Simulator Exercise: Instructions

By: Eric Van den Steen
In the Competition Simulator Exercise, students explore through trial and error some important economic foundations of competitive strategy and managerial economics. In particular, the nine simulator exercises let students explore horizontal differentiation with and... View Details
Keywords: Competitive Strategy; Economics; Strategy; Game Theory
Related
  • June 2013 (Revised November 2022)
  • Exercise

Competition Simulator Exercise

By: Eric J. Van den Steen
In the Competition Simulator Exercise, students explore through trial and error some important economic foundations of competitive strategy and managerial economics. In particular, the nine simulator exercises let students explore horizontal differentiation with and... View Details
Keywords: Competition; Economics; Game Theory; Competitive Strategy; Learning; Mathematical Methods; Analysis
Related

    David B. Yoffie

    Professor David B. Yoffie is the Max and Doris Starr Professor of International Business Administration at Harvard Business School. A member of the HBS faculty since 1981, Professor Yoffie received his Bachelor's degree summa cum laude and Phi Beta... View Details

    Keywords: communications; computer; e-commerce industry; electronics; financial services; information; information technology industry; internet; retail financial services; semiconductor; soft drink; telecommunications; video games
    • 29 Jul 2014
    • First Look

    First Look: July 29

    economic pacts and clash of regional economic blocks, post-imperial disintegration and trade, and identity and interdependence. Purchase this case:... View Details
    Keywords: Sean Silverthorne
    • 20 Aug 2013
    • First Look

    First Look: August 20

    case: http://hbr.org/search/413127-PDF-ENG Harvard Business School Exercise 713-804 Competition Simulator Exercise In the "Competition Simulator Exercise," students explore through trial and error some important economic... View Details
    Keywords: Anna Secino
    • 02 Feb 2004
    • Research & Ideas

    Where Does Apple Go From Here?

    investment. "Now, obviously, the company is doing much better since Jobs returned to the CEO job; but having said that, it has not yet reached the value that it was in the early 1990s," Yoffie points out. Yoffie, whose book Judo... View Details
    Keywords: by Sean Silverthorne
    • Web

    Print View - Course Catalog

    Casadesus-Masanell , Tomomichi Amano January 2026 J 3.0 IFC: Saudi Arabia; Economic Diversification Strategy Tarun Khanna , Andy Zelleke January 2026 J 3.0 IFC: Silicon Valley; Disrupting Silicon Valley with AI Entrepreneurial Management... View Details