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Supermarket Choice, Supermarket Pricing and the Merger and Demerger in Market Equilibrium

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Abstract

This paper estimates a model of retail oligopoly where consumers choose between stores using consumer data which specifies the firm operating the chosen store and not the specific store (as is convenient practice for retail surveys). The location and other characteristics of the stores are known. Interations in utility are premitted between consumer characteristics, observed store characteristics, and those unobserved characteristics (e.g. grocery quality) which are associated with the firm operating the store rather than the store itself. Expenditure at the store is determined from the same utility function. A Nash pricing equation is used to evaluate the effect of merger and demerger on equilibrium prices and economics welfare.

Suggested Citation

  • Smith, H., 1999. "Supermarket Choice, Supermarket Pricing and the Merger and Demerger in Market Equilibrium," Economics Series Working Papers 99207, University of Oxford, Department of Economics.
    • Handle: RePEc:oxf:wpaper:99207
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    Cited by:

    1. Howard Smith, 2000. "Entry and Exit in Grocery Retailing: Local Pre-Emption and Social Efficiency," Economics Series Working Papers 7, University of Oxford, Department of Economics.

    More about this item

    Keywords

    OLIGOPOLIES ; STORES ; MERGERS ; CONSUMPTION;
    All these keywords.

    JEL classification:

    • D10 - Microeconomics - - Household Behavior - - - General
    • D43 - Microeconomics - - Market Structure, Pricing, and Design - - - Oligopoly and Other Forms of Market Imperfection
    • L81 - Industrial Organization - - Industry Studies: Services - - - Retail and Wholesale Trade; e-Commerce
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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