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The welfare effects of entry: the role of the input market

Author

Listed:
  • Arijit Mukherjee
  • Udo Broll
  • Soma Mukherjee
Abstract
In a successive Cournot oligopoly, we show the welfare effects of entry in the final goods market with no scale economies but with cost difference between the firms. If the input market is very concentrated, entry in the final goods market always increases welfare. If the input market is moderately concentrated, entry in the final goods market reduces welfare if the entrant is moderately cost inefficient than the incumbents. If the input market is highly competitive, entry in the final goods market reduces welfare if the entrant is very much cost inefficient than the incumbents. Hence, entry in the final goods market is more desirable under a concentrated input market. It follows from our analysis that entry increases the profits of the incumbent final goods producers if their marginal costs are sufficiently lower than the entrant’s marginal cost.

Suggested Citation

  • Arijit Mukherjee & Udo Broll & Soma Mukherjee, 2008. "The welfare effects of entry: the role of the input market," Discussion Papers 08/12, University of Nottingham, School of Economics.
    • Handle: RePEc:not:notecp:08/12
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    Citations

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    Cited by:

    1. Naylor, Robin & Soegaard, Christian, 2018. "The Effects of Entry in Oligopolistic Trade with Bargained Input Prices," Economic Research Papers 269084, University of Warwick - Department of Economics.
    2. Matsushima, Noriaki & Mizuno, Tomomichi, 2012. "Profit-enhancing competitive pressure in vertically related industries," Journal of the Japanese and International Economies, Elsevier, vol. 26(1), pages 142-152.
    3. Wang, Leonard F.S. & Zeng, Chenhang & Zhang, Qidi, 2019. "Indirect taxation and undesirable competition," Economics Letters, Elsevier, vol. 181(C), pages 104-106.
    4. Kazuhiro Takauchi, 2014. "Rules of Origin and Strategic Choice of Compliance," Journal of Industry, Competition and Trade, Springer, vol. 14(2), pages 287-302, June.
    5. Robin Naylor & Christian Soegaard, 2022. "Profit‐raising entry under oligopolistic trade with endogenous input prices," The World Economy, Wiley Blackwell, vol. 45(7), pages 2135-2164, July.
    6. Naylor, Robin A & Soegaard, Christian, 2014. "The Effects of Entry in Oligopoly with Bargained Wages," The Warwick Economics Research Paper Series (TWERPS) 1044, University of Warwick, Department of Economics.
    7. Yamada, Mai, 2016. "The Optimal Trading Partner for an Upstream Monopolist," MPRA Paper 70325, University Library of Munich, Germany.
    8. Tarun Kabiraj & Rittwik Chatterjee & Srobonti Chattopadhyay, 2024. "Free Licensing in a Differentiated Duopoly," Journal of Quantitative Economics, Springer;The Indian Econometric Society (TIES), vol. 22(3), pages 589-613, September.
    9. Junichiro Ishida & Toshihiro Matsumura & Noriaki Matsushima, 2011. "Market Competition, R&D And Firm Profits In Asymmetric Oligopoly," Journal of Industrial Economics, Wiley Blackwell, vol. 59(3), pages 484-505, September.
    10. Wang, Leonard F.S. & Zeng, Chenhang & Zhang, Qidi, 2019. "Indirect taxation and consumer welfare in an asymmetric Stackelberg oligopoly," The North American Journal of Economics and Finance, Elsevier, vol. 50(C).
    11. Luciano Fanti & Domenico Buccella, 2017. "Profit raising entry effects in network industries with Corporate Social Responsibility," Economics and Business Letters, Oviedo University Press, vol. 6(3), pages 59-68.
    12. Arijit Mukherjee & Achintya Ray, 2014. "Entry, Profit and Welfare under Asymmetric R&D Costs," Manchester School, University of Manchester, vol. 82(3), pages 284-295, June.
    13. Jiaxin Han & Chenhang Zeng, 2023. "The effects of downstream entry in a vertical mixed oligopoly: the role of input pricing," Journal of Economics, Springer, vol. 140(1), pages 37-61, September.
    14. Akio Kawasaki & Ming Hsin Lin & Noriaki Matsushima, 2014. "Multi‐Market Competition, R&D, and Welfare in Oligopoly," Southern Economic Journal, John Wiley & Sons, vol. 80(3), pages 803-815, January.
    15. Debasmita Basak & Arijit Mukherjee, 2021. "Competition, External Economies of Scale, and Unionized Wage," Journal of Industry, Competition and Trade, Springer, vol. 21(4), pages 585-592, December.
    16. Mukherjee, Arijit, 2019. "Profit raising entry in a vertical structure," Economics Letters, Elsevier, vol. 183(C), pages 1-1.
    17. Ioannis N. Pinopoulos, 2014. "A note on the effects of downstream free entry on wholesale pricing," Discussion Paper Series 2014_05, Department of Economics, University of Macedonia, revised Sep 2014.
    18. Fanti, Luciano & Meccheri, Nicola, 2014. "Profits and competition under alternative technologies in a unionized duopoly with product differentiation," Research in Economics, Elsevier, vol. 68(2), pages 157-168.
    19. Kabiraj, Tarun & Chatterjee, Rittwik & Chattopadhyay, Srobonti, 2020. "Free Licensing in a Differentiated Duopoly," MPRA Paper 101984, University Library of Munich, Germany.
    20. Duarte Brito & Margarida Catalão-Lopes, 2023. "Profit raising entry under mixed behavior," Journal of Economics, Springer, vol. 138(1), pages 51-72, January.
    21. Qidi Zhang & Leonard F. S. Wang, 2022. "Taxation, Network Externalities, Consumer Suffering, and Profit-Raising Entry: A Cautionary Note," Journal of Industry, Competition and Trade, Springer, vol. 22(2), pages 225-231, June.
    22. Kittaka, Yuta & Pan, Cong, 2023. "The bright side of outside market entry with manufacturer encroachment," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 180(C).
    23. Jiyun Cao & Arijit Mukherjee, 2024. "Foreign Direct Investment and Technology Licensing in a Polluting Industry," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 87(9), pages 2361-2399, September.

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    More about this item

    Keywords

    Entry; Profit; Vertical structure; Welfare;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L50 - Industrial Organization - - Regulation and Industrial Policy - - - General

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