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Measuring Market Power in Multi-Product Oligopolies: The U.S. Meat Industry


  • Schroeter, John R.
  • Azzam, Azzeddine M.


This paper develops and estimates an economic model for measuring market power in a quantity-setting oligopoly engaged in the joint production of demand-related goods. The model, which allows for firms' conjectures about both same and cross-market responses to own output variation, is applied to the U.S. meat (beef and pork) industry. The hypothesis that the industry's equilibrium reflects price taking behaviour is rejected. The hypothesis of no cross effects cannot be rejected. Roughly half of the farm-to-retail price spreads for beef and pork appear to be attributable to market power.

Suggested Citation

  • Schroeter, John R. & Azzam, Azzeddine M., 1990. "Measuring Market Power in Multi-Product Oligopolies: The U.S. Meat Industry," Staff General Research Papers Archive 11112, Iowa State University, Department of Economics.
  • Handle: RePEc:isu:genres:11112

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    References listed on IDEAS

    1. A. M. Azzam & E. Pagoulatos, 1990. "Testing Oligopolistic And Oligopsonistic Behaviour: An Application To The Us Meat-Packing Industry," Journal of Agricultural Economics, Wiley Blackwell, vol. 41(3), pages 362-370.
    2. Schroeter, John R. & Azzam, Azzeddine M., 1990. "Measuring Market Power in Multi-Product Oligopolies: The U.S. Meat Industry," Staff General Research Papers Archive 11112, Iowa State University, Department of Economics.
    3. Quail, Gwen & Marion, Bruce & Geithman, Frederick & Marquardt, Jeffrey, 1986. "The Impact of Packer Buyer Concentration on Live Cattle Prices," Working Papers 204089, University of Wisconsin-Madison, Department of Agricultural and Applied Economics, Food System Research Group.
    4. Clarke, Roger & Davies, Stephen W, 1982. "Market Structure and Price-Cost Margins," Economica, London School of Economics and Political Science, vol. 49(195), pages 277-287, August.
    5. Schroeter, John R, 1988. "Estimating the Degree of Market Power in the Beef Packing Industry," The Review of Economics and Statistics, MIT Press, vol. 70(1), pages 158-162, February.
    6. Geroski, Paul A, 1988. "In Pursuit of Monopoly Power: Recent Quantitative Work in Industrial Economics," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 3(2), pages 107-123, April.
    7. Johnson, D. Gale & Connor, John M. & Josling, Timothy E. & Schmitz, Andrew & Schuh, G. Edward, 1989. "Concentration Issues In The U.S. Beef Subsector," Working Papers 115907, Regional Research Project NE-165 Private Strategies, Public Policies, and Food System Performance.
    8. Dickson, V. A. & Yu, Weiqiu, 1989. "Welfare losses in Canadian manufacturing under alternative oligopoly regimes," International Journal of Industrial Organization, Elsevier, vol. 7(2), pages 257-267, June.
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