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Multi-Category Competition and Market Power:A Model of Supermarket Pricing

机译：多类别竞争和市场力量：超市定价模型

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摘要

In many competitive settings, consumers buy multiple product categories, and some prefer to use a single firm, generating complementary cross-category price effects. To study pricing in supermarkets, an organizational form where these effects are internalized, we develop a multi-category, multi-seller demand model and estimate it using UK consumer data. This class of model is used widely in theoretical analysis of retail pricing. We quantify cross-category pricing effects and find that internalizing them substantially reduces market power. We find that consumers inclined to one-stop {rather than multi-stop) shopping have a greater pro-competitive impact because they generate relatively large cross-category effects.
机译：在许多竞争环境中，消费者购买多个产品类别，有些消费者更喜欢使用一家公司，从而产生互补的跨类别价格效应。为了研究超市中的价格（一种内部化了这些影响的组织形式），我们开发了多类别，多卖家的需求模型，并使用英国消费者数据进行了估算。此类模型广泛用于零售定价的理论分析中。我们对跨类别的定价影响进行量化，发现对其进行内部化会大大降低市场支配力。我们发现，倾向于一站式（而非多站式）购物的消费者具有更大的竞争优势，因为它们会产生较大的跨类别影响。

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  • 来源
    《The American economic review》 |2017年第8期|2308-2351|共44页
  • 作者

    Oyvind thomassen; howard smith; Stephan Seiler; Pasquale Schiraldi;

  • 作者单位

    Department of Economics, Seoul National University, Seoul, 08826 (email: oyvind@snu.ac.kr), Smith: Department of Economics, Oxford University, Oxford, 0X1 3UQ, and IFS, and CEPR (email: howard. smith@economics.ox.ac.uk), Seiler: Graduate School of Business, Stanford University, 655 Knight Way, Stanford, CA 94305 (email: sseiler@stanford.edu), Schiraldi: London School of Economics, Houghton Street, London, WC2A 2AE;

    Department of Economics, Seoul National University, Seoul, 08826 (email: oyvind@snu.ac.kr), Smith: Department of Economics, Oxford University, Oxford, 0X1 3UQ, and IFS, and CEPR (email: howard. smith@economics.ox.ac.uk), Seiler: Graduate School of Business, Stanford University, 655 Knight Way, Stanford, CA 94305 (email: sseiler@stanford.edu), Schiraldi: London School of Economics, Houghton Street, London, WC2A 2AE;

    Department of Economics, Seoul National University, Seoul, 08826 (email: oyvind@snu.ac.kr), Smith: Department of Economics, Oxford University, Oxford, 0X1 3UQ, and IFS, and CEPR (email: howard. smith@economics.ox.ac.uk), Seiler: Graduate School of Business, Stanford University, 655 Knight Way, Stanford, CA 94305 (email: sseiler@stanford.edu), Schiraldi: London School of Economics, Houghton Street, London, WC2A 2AE;

    Department of Economics, Seoul National University, Seoul, 08826 (email: oyvind@snu.ac.kr), Smith: Department of Economics, Oxford University, Oxford, 0X1 3UQ, and IFS, and CEPR (email: howard. smith@economics.ox.ac.uk), Seiler: Graduate School of Business, Stanford University, 655 Knight Way, Stanford, CA 94305 (email: sseiler@stanford.edu), Schiraldi: London School of Economics, Houghton Street, London, WC2A 2AE;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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