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Full-line or specialization strategy? The negative effect of product variety on product line strategy

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Author Info

  • Matsubayashi, Nobuo
  • Ishii, Yasuaki
  • Watanabe, Kentaro
  • Yamada, Yoshiyasu
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    Abstract

    This paper studies the product line decisions of firms under two consumer segments differing in their quality-sensitivity. We focus on a negative impact of the product variety on the consumers' motivation to purchase, while each product is horizontally differentiated. In the presence of this impact and high fixed costs relative to variable costs, it is shown that when a highly quality-sensitive segment exists, it is always advantageous for the monopoly to specialize in only one product serving this segment. However, the appearance of a competitor can drastically change the product line in the market. Under the duopolistic setting where two firms sequentially determine their product lines, we show that the leader gains a better financial result by offering its product to the low segment for many cases, including the case where no product is offered to the high segment by either of the firms who are in equilibrium. Furthermore, we obtain another interesting result that indicates that the follower's profit can exceed the leader's profit when the quality-sensitivities between the two consumer segments are sufficiently different, even though the two firms are symmetric except for the order of their product offerings.

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    Bibliographic Info

    Article provided by Elsevier in its journal European Journal of Operational Research.

    Volume (Year): 196 (2009)
    Issue (Month): 2 (July)
    Pages: 795-807

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    Handle: RePEc:eee:ejores:v:196:y:2009:i:2:p:795-807

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    Web page: http://www.elsevier.com/locate/eor

    Related research

    Keywords: Marketing Product line strategy Negative externality arising from product variety Follower advantage Game theory;

    References

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    Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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    1. Matsubayashi, Nobuo, 2007. "Price and quality competition: The effect of differentiation and vertical integration," European Journal of Operational Research, Elsevier, vol. 180(2), pages 907-921, July.
    2. Brander, James A & Eaton, Jonathan, 1984. "Product Line Rivalry," American Economic Review, American Economic Association, vol. 74(3), pages 323-34, June.
    3. Kilsun Kim & Dilip Chhajed, 2002. "Product Design with Multiple Quality-Type Attributes," Management Science, INFORMS, vol. 48(11), pages 1502-1511, November.
    4. Kim, Kilsun & Chhajed, Dilip, 2000. "Commonality in product design: Cost saving, valuation change and cannibalization," European Journal of Operational Research, Elsevier, vol. 125(3), pages 602-621, September.
    5. Martinez-Giralt, Xavier & Neven, Damien J, 1988. "Can Price Competition Dominate Market Segmentation?," Journal of Industrial Economics, Wiley Blackwell, vol. 36(4), pages 431-42, June.
    6. Rajiv D. Banker & Inder Khosla & Kingshuk K. Sinha, 1998. "Quality and Competition," Management Science, INFORMS, vol. 44(9), pages 1179-1192, September.
    7. Sridhar Balasubramanian & Pradeep Bhardwaj, 2004. "When Not All Conflict Is Bad: Manufacturing-Marketing Conflict and Strategic Incentive Design," Management Science, INFORMS, vol. 50(4), pages 489-502, April.
    8. Klemperer, Paul, 1992. "Equilibrium Product Lines: Competing Head-to-Head May Be Less Competitive," American Economic Review, American Economic Association, vol. 82(4), pages 740-55, September.
    9. Shin-Kun Peng & Takatoshi Tabuchi, 2007. "Spatial Competition in Variety and Number of Stores," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 16(1), pages 227-250, 03.
    10. Rajeev K. Tyagi, 2000. "Sequential Product Positioning Under Differential Costs," Management Science, INFORMS, vol. 46(7), pages 928-940, July.
    11. Mussa, Michael & Rosen, Sherwin, 1978. "Monopoly and product quality," Journal of Economic Theory, Elsevier, vol. 18(2), pages 301-317, August.
    12. K. Sridhar Moorthy, 1984. "Market Segmentation, Self-Selection, and Product Line Design," Marketing Science, INFORMS, vol. 3(4), pages 288-307.
    13. Michaela Draganska & Dipak C. Jain, 2005. "Product-Line Length as a Competitive Tool," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 14(1), pages 1-28, 03.
    14. J. Miguel Villas-Boas, 2004. "Communication Strategies and Product Line Design," Marketing Science, INFORMS, vol. 23(3), pages 304-316, January.
    15. Preyas S. Desai, 2001. "Quality Segmentation in Spatial Markets: When Does Cannibalization Affect Product Line Design?," Marketing Science, INFORMS, vol. 20(3), pages 265-283, August.
    16. Shin-Kun Peng & Takatoshi Tabuchi, 2007. "Erratum: Spatial Competition in Variety and Number of Stores," Journal of Economics & Management Strategy, Wiley Blackwell, vol. 16(2), pages 537-537, 06.
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    Cited by:
    1. Xiao, Tiaojun & Choi, Tsan-Ming & Cheng, T.C.E., 2014. "Product variety and channel structure strategy for a retailer-Stackelberg supply chain," European Journal of Operational Research, Elsevier, vol. 233(1), pages 114-124.
    2. Lacourbe, Paul, 2012. "A model of product line design and introduction sequence with reservation utility," European Journal of Operational Research, Elsevier, vol. 220(2), pages 338-348.

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