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Portfolio effects and firm size distribution : carbonated soft drinks

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  • Ciara Whelan
  • Patrick P. Walsh

Abstract

We use rich brand level retail data to demonstrate that the firm size distribution in Carbonated Soft Drinks is mainly an outcome of the degree to which firms own a portfolio of brands across segments of the market, and not from performance within segments. In addition, while the number of firms in each segment is limited by segment size relative to sunk cost and competition in a segment, idiosyncratic firm effects make some firms more likely to participate in any given segment. This feature of the industry is the key to modelling firm size distribution in Carbonated Soft Drinks.

Suggested Citation

  • Ciara Whelan & Patrick P. Walsh, 2002. "Portfolio effects and firm size distribution : carbonated soft drinks," Open Access publications 10197/130, School of Economics, University College Dublin.
    • Handle: RePEc:ucn:oapubs:10197/130
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    File URL: http://hdl.handle.net/10197/130
    File Function: Open Access version, 2002
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    References listed on IDEAS

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    1. repec:bla:jindec:v:47:y:1999:i:3:p:325-43 is not listed on IDEAS
    2. Buzzacchi, Luigi & Valletti, Tommaso M., 2006. "Firm size distribution: Testing the "independent submarkets model" in the Italian motor insurance industry," International Journal of Industrial Organization, Elsevier, vol. 24(4), pages 809-834, July.
    3. Bresnahan, Timothy F & Reiss, Peter C, 1991. "Entry and Competition in Concentrated Markets," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 977-1009, October.
    4. Patrick Paul Walsh & Ciara Whelan, 1999. "A Rationale for Repealing the 1987 Groceries Order," The Economic and Social Review, Economic and Social Studies, vol. 30(1), pages 71-90.
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    Cited by:

    1. John Hutchinson & Jozef Konings & Patrick Walsh, 2010. "The Firm Size Distribution and Inter-Industry Diversification," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 37(2), pages 65-82, September.
    2. Patrick Paul Walsh & Franco Mariuzzo, 2005. "Embedding Consumer Taste for Location into a Structural Model of Equilibrium," Trinity Economics Papers 200053, Trinity College Dublin, Department of Economics.
    3. Ciara Whelan, 2003. "Is equating market share to market power a sound economic principle?," Open Access publications 10197/136, School of Economics, University College Dublin.
    4. Franco Mariuzzo & Patrick Walsh & Ciara Whelan, 2003. "Firm Size and Market Power in Carbonated Soft Drinks," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 23(3), pages 283-299, December.
    5. repec:tcd:wpaper:tep3 is not listed on IDEAS

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