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Competition When Consumers Value Firm Scope

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  • Nathan H. Miller

    (Economic Analysis Group, Antitrust Division, Department of Justice)

Abstract

I model multimarket competition when consumers value firm scope across markets. Such competition is surprisingly common – consumers in many industries prefer firms that operate in more geographic and/or product markets. I show that these preferences permit firms of differing scopes to coexist in equilibrium. Within markets, firms of greater scope have higher prices and market shares. I turn to the commercial banking industry for the empirical implementation. Structural estimation of the model firmly supports the assumptions on consumer preferences, and empirical predictions specific to the model hold in the data. The results suggest that theoretical model is empirically relevant.

Suggested Citation

  • Nathan H. Miller, 2008. "Competition When Consumers Value Firm Scope," EAG Discussions Papers 200807, Department of Justice, Antitrust Division.
    • Handle: RePEc:doj:eagpap:200807
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    File URL: https://www.justice.gov/atr/public/eag/236663.pdf
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    Cited by:

    1. Ken Heyer & Nicholas Hill, 2008. "The Year in Review: Economics at the Antitrust Division, 2007–2008," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 33(3), pages 247-262, November.
    2. John Mayo & Scott Wallsten, 2011. "From Network Externalities to Broadband Growth Externalities: a Bridge not yet Built," Review of Industrial Organization, Springer;The Industrial Organization Society, vol. 38(2), pages 173-190, March.

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    More about this item

    Keywords

    Firm Scope; Consumer Preferences; Multimarket Competition; Banks;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
    • L22 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Firm Organization and Market Structure

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