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Market Structure, Industry Concentration, and Barriers to Entry

In: New Perspectives on Industrial Organization

Author

Listed:
  • Victor J. Tremblay

    (Oregon State University)

  • Carol Horton Tremblay

    (Oregon State University)

Abstract

In economics, we normally classify markets into four market structures: perfect competition, monopoly, monopolistic competition, and oligopoly. In this chapter, we are interested in understanding why real markets are structured so differently. For example, most agricultural commodities approximate competitive markets, as they have many producers of homogeneous or nearly homogeneous goods. In contrast, the market of computer operating systems is nearly monopolized by Microsoft. In 2009, Microsoft Windows had a market share of approximately 92%, while its nearest competitor, Mac, had a market share of just over 5%.

Suggested Citation

  • Victor J. Tremblay & Carol Horton Tremblay, 2012. "Market Structure, Industry Concentration, and Barriers to Entry," Springer Texts in Business and Economics, in: New Perspectives on Industrial Organization, edition 127, chapter 0, pages 177-210, Springer.
    • Handle: RePEc:spr:sptchp:978-1-4614-3241-8_8
    DOI: 10.1007/978-1-4614-3241-8_8
    as

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