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Oligopoly Pricing with Differentiated Products: The Boston Fluid Milk Market Channel

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  • Cotterill, Ronald W.
  • Dhar, Tirtha Pratim
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    Abstract

    We model Boston fluid milk market after taking into account strategic interactions of the processors and retailers and estimate it using monthly propriety retail scanner data and other data from public sources from 1996 to 2000. Market demand is modeled using flexible nested logit demand system and processor level cost is modeled using flexible generalized Leontief cost function. Our modeled is flexible enough to capture the nature of competition between brands within store and across stores. We find that the brands compete much more vigorously within store and than across stores. This structure of competition fits squarely with Slade's (1995) assumption on retail competition. We also explore strategic implications of the North East Dairy Compact on retailers and processors using emerging methodologies of antitrust simulation. The predictions from the antitrust simulation analysis are consistent with the concept of "focal point pricing" at the Compact implementation, suggesting an increase of market power in the fluid milk marketing channel. Our estimated brand level total channel price cost margins also show that the margins increased after the Compact implementation.

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    Bibliographic Info

    Paper provided by University of Connecticut, Food Marketing Policy Center in its series Research Reports with number 25189.

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    Date of creation: 2003
    Date of revision:
    Handle: RePEc:ags:uconnr:25189

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    Related research

    Keywords: nested logit demand system; generalized Leontief cost function; fluid milk; marketing channel; North East Dairy Compact; Industrial Organization; Livestock Production/Industries;

    References

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    1. Joseph V. Balagtas & Daniel A. Sumner, 2003. "The Effect of the Northeast Dairy Compact on Producers and Consumers, with Implications of Compact Contagion," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 25(1), pages 123-144.
    2. Hausman, Jerry A & Leonard, Gregory K, 2002. "The Competitive Effects of a New Product Introduction: A Case Study," Journal of Industrial Economics, Wiley Blackwell, vol. 50(3), pages 237-63, September.
    3. Slade, Margaret E, 1995. "Product Rivalry with Multiple Strategic Weapons: An Analysis of Price and Advertising Competition," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 4(3), pages 445-76, Fall.
    4. Diewert, W E, 1971. "An Application of the Shephard Duality Theorem: A Generalized Leontief Production Function," Journal of Political Economy, University of Chicago Press, vol. 79(3), pages 481-507, May-June.
    5. Svend Albæk & Peter Møllgaard & Per Baltzer Overgaard, 1997. "Government-Assisted Oligopoly Coordination? A Concrete Case," CIE Discussion Papers 1997-03, University of Copenhagen. Department of Economics. Centre for Industrial Economics.
    6. Ronald W. Cotterill & Pierre O. Samson, 2002. "Estimating a Brand-Level Demand System for American Cheese Products to Evaluate Unilateral and Coordinated Market Power Strategies," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 84(3), pages 817-823.
    7. Verboven, Frank, 1997. "Collusive behavior with heterogeneous firms," Journal of Economic Behavior & Organization, Elsevier, vol. 33(1), pages 121-136, May.
    8. Cardell, N. Scott, 1997. "Variance Components Structures for the Extreme-Value and Logistic Distributions with Application to Models of Heterogeneity," Econometric Theory, Cambridge University Press, vol. 13(02), pages 185-213, April.
    9. Nevo, Aviv, 1998. "Measuring Market Power in the Ready-To-Eat Cereal Industry," Research Reports 25164, University of Connecticut, Food Marketing Policy Center.
    10. Cotterill, Ronald W & Putsis, William P, Jr & Dhar, Ravi, 2000. "Assessing the Competitive Interaction between Private Labels and National Brands," The Journal of Business, University of Chicago Press, vol. 73(1), pages 109-37, January.
    11. S. Chan Choi, 1991. "Price Competition in a Channel Structure with a Common Retailer," Marketing Science, INFORMS, vol. 10(4), pages 271-296.
    12. Gasmi, F & Laffont, J J & Vuong, Q, 1992. "Econometric Analysis of Collusive Behavior in a Soft-Drink Market," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 1(2), pages 277-311, Summer.
    13. Tsunemasa Kawaguchi & Nobuhiro Suzuki & Harry M. Kaiser, 1997. "A Spatial Equilibrium Model for Imperfectly Competitive Milk Markets," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 79(3), pages 851-859.
    14. David Besanko & Sachin Gupta & Dipak Jain, 1998. "Logit Demand Estimation Under Competitive Pricing Behavior: An Equilibrium Framework," Management Science, INFORMS, vol. 44(11-Part-1), pages 1533-1547, November.
    15. Azzam, Azzeddine M, 1997. "Measuring Market Power and Cost-Efficiency Effects of Industrial Concentration," Journal of Industrial Economics, Wiley Blackwell, vol. 45(4), pages 377-86, December.
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    Citations

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    Cited by:
    1. Vandermersch, Mieke & Mathijs, Erik, 2004. "Consumer Willingness To Pay For Domestic Milk," Working Papers 31829, Katholieke Universiteit Leuven, Centre for Agricultural and Food Economics.
    2. Richards, Timothy J. & Hamilton, Stephen F. & Patterson, Paul M., 2010. "Spatial Competition and Private Labels," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 35(2), August.
    3. Benaissa Chidmi & Rigoberto A. Lopez & Ronald W. Cotterill, 2005. "Retail oligopoly power, dairy compact, and Boston milk prices," Agribusiness, John Wiley & Sons, Ltd., vol. 21(4), pages 477-491.
    4. Richards, Timothy J., 2005. "A Nested Logit Model of Strategic Promotion," 2005 Annual meeting, July 24-27, Providence, RI 19336, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    5. Alessandro Bonanno & Rigoberto A. Lopez, 2007. "Competition Effects of Supermarket Services," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 91(3), pages 555-568.
    6. Tian, Li & Cotterill, Ronald, 2004. "The Theory of Price Collars: The Linking of Prices in a Market Channel to Redress the Exercise of Market Power," Research Reports 149025, University of Connecticut, Food Marketing Policy Center.
    7. Richards, Timothy J., 2004. "Price and Product-Line Rivalry Among Supermarket Retailers," Working Papers 28535, Arizona State University, Morrison School of Agribusiness and Resource Management.
    8. Hoy F. Carman & Richard J. Sexton, 2005. "Supermarket fluid milk pricing practices in the western United States," Agribusiness, John Wiley & Sons, Ltd., vol. 21(4), pages 509-530.

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