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Market Power and the Demsetz Quality Critique: An Evaluation for Food Retailing

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  • Ronald W. Cotterill
  • C. David Harper

Abstract

This study analyzes supermarket firm prices to determine whether prices are related to market structure and whether the Demsetz quality critique is valid. Factor analysis is used to identify five service factors that are modeled with price as endogenous variables in a simultaneous equations framework to test whether a more concentrated market structure is related to higher service levels which, in turn, are related to higher prices (the Demsetz hypothesis) and whether a more concentrated market structure is directly related to higher price (market power hypothesis). For this study of supermarkets in 34 local markets in six southwestern states, market share and concentration are not significantly related to any service factors. Concentration has a significant positive relationship with price in the full sample, and share also is significantly related to price in subsamples of large, leading firms. Thus, the Demsetz critique is rejected. Other factors that affect price include store format, whether a firm competes against warehouse supermarkets, store cost, and market demand factors.

Suggested Citation

  • Ronald W. Cotterill & C. David Harper, 1994. "Market Power and the Demsetz Quality Critique: An Evaluation for Food Retailing," Food Marketing Policy Center Research Reports 029, University of Connecticut, Department of Agricultural and Resource Economics, Charles J. Zwick Center for Food and Resource Policy.
    • Handle: RePEc:zwi:fpcrep:029
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    File URL: http://fmpc.uconn.edu/publications/rr/rr29.pdf
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    1. is not listed on IDEAS
    2. Chih-ching Yu & John M. Connor, 2002. "The price-concentration relationship in grocery retailing: Retesting Newmark," Agribusiness, John Wiley & Sons, Ltd., vol. 18(4), pages 413-426.
    3. Ronald Cotterill & William Putsis, 2000. "Market Share and Price Setting Behavior for Private Labels and National Brands," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 17(1), pages 17-39, August.
    4. Hovhannisyan, Vardges & Bozic, Marin, "undated". "The Relationship Between Price And Market Structure: Evidence From The Us Food Retail Industry," 2016 Annual Meeting, July 31-August 2, Boston, Massachusetts 236222, Agricultural and Applied Economics Association.
    5. Kim, Donghoon & Lopez, Rigoberto A. & Steinbach, Sandro, 2023. "Food Retail Configuration and Markups," 2023 Annual Meeting, July 23-25, Washington D.C. 335988, Agricultural and Applied Economics Association.
    6. Ville Aalto-Setälä & Jouko Kinnunen & Katri Koistinen, 2004. "Reasons for high food prices in small market areas: The case of the Åland Islands," Agribusiness, John Wiley & Sons, Ltd., vol. 20(1), pages 17-29.
    7. Volpe, Richard J., III & Lavoie, Nathalie, 2006. "The Effect of Wal-Mart Supercenters on Grocery Prices in New England," Working Paper Series 14515, University of Massachusetts, Amherst, Department of Resource Economics.
    8. repec:ags:aaea22:335988 is not listed on IDEAS
    9. Ivana Blazkova, & Ondrej Dvoulety, 2017. "Is the price-cost margin affected by the market concentration? Evidence from the Czech food and beverages industry," Business and Economic Horizons (BEH), Prague Development Center, vol. 13(2), pages 256-269, May.
    10. Martens, Bobby J. & Dooley, Frank J. & Kim, Sounghun, 2006. "The Effect Of Entry By Wal-Mart Supercenters On Retail Grocery Concentration," 2006 Annual meeting, July 23-26, Long Beach, CA 21101, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    11. Crespi John M. & Marette Stephan, 2009. "Quality, Sunk Costs and Competition," Review of Marketing Science, De Gruyter, vol. 7(1), pages 1-36, August.
    12. Hernant, Mikael & Julander, Claes-Robert, 2020. "Does local competition make a difference for store profitability?: An empirical study of 168 Swedish supermarkets," SSE Working Paper Series in Business Administration 2020:4, Stockholm School of Economics.
    13. Richard J. Volpe & Nathalie Lavoie, 2008. "The Effect of Wal-Mart Supercenters on Grocery Prices in New England," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 30(1), pages 4-26.
    14. Francisco J. Más & Ricardo Sellers, 2006. "Technical Efficiency In The Retail Food Industry: The Influence Of Inventory Investment, Wage Levels, And Age Of The Firm," Working Papers. Serie EC 2006-15, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
    15. Smith, David & Trant, Michael, 2002. "Performance in the Food Retailing Segment of the Agri-Food Chain," Agriculture and Rural Working Paper Series 28028, Statistics Canada.
    16. Sellers-Rubio, Ricardo & Más-Ruiz, Francisco J., 2009. "Efficiency vs. market power in retailing: Analysis of supermarket chains," Journal of Retailing and Consumer Services, Elsevier, vol. 16(1), pages 61-67.
    17. Volpe, Richard J., III & Lavoie, Nathalie, 2005. "The Effect of Wal-Mart Supercenters on Grocery Prices in New England," 2005 Annual meeting, July 24-27, Providence, RI 19188, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).

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