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Third-degree price discrimination in oligopoly with endogenous input costs

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  • Miklós-Thal, Jeanine
  • Shaffer, Greg

Abstract

This paper examines the output effect of third-degree price discrimination in symmetrically differentiated oligopoly. We find that when the sellers’ input costs are chosen endogenously by an upstream supplier with market power, as opposed to being fixed exogenously, long-standing qualitative conclusions about the effect of price discrimination on aggregate output can be reversed. In contrast to previous findings (e.g., by Holmes, 1989), more intense competition in the strong market than in the weak market can make it less likely that price discrimination raises aggregate output. For linear demand functions, we establish necessary and sufficient conditions under which the output effect changes sign when input costs are endogenized.

Suggested Citation

  • Miklós-Thal, Jeanine & Shaffer, Greg, 2021. "Third-degree price discrimination in oligopoly with endogenous input costs," International Journal of Industrial Organization, Elsevier, vol. 79(C).
    • Handle: RePEc:eee:indorg:v:79:y:2021:i:c:s0167718721000060
    DOI: 10.1016/j.ijindorg.2021.102713
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    References listed on IDEAS

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    Cited by:

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    2. Dmytro Osiichuk & Paweł Wnuczak, 2023. "Do Corporate Consolidations Affect the Competitive Positioning of Non-Financial Firms in China?," SAGE Open, , vol. 13(4), pages 21582440231, December.
    3. Wang, Li & Zhang, Xin-Hua & Zhang, Yue-Jun, 2023. "Designing the pricing mechanism of residents’ self-selection sales electricity based on household size," International Review of Economics & Finance, Elsevier, vol. 83(C), pages 860-878.
    4. Adachi, Takanori, 2023. "A sufficient statistics approach for welfare analysis of oligopolistic third‐degree price discrimination," International Journal of Industrial Organization, Elsevier, vol. 86(C).
    5. Zheng Zhang & Yingtong Wang & Qingchun Meng & Qiang Han, 2022. "Impact of Third-Degree Price Discrimination on Welfare under the Asymmetric Price Game," Mathematics, MDPI, vol. 10(8), pages 1-16, April.

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