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Effects of upstream and downstream mergers on supply chain profitability

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  • Zhu, Jing
  • Boyaci, Tamer
  • Ray, Saibal

Abstract

This paper studies the implications of upstream and/or downstream horizontal mergers on suppliers, retailers and consumers, in a bilateral oligopolistic system. We especially focus on market power and operational synergy benefits that such mergers engender. Starting with a benchmark pre-merger scenario in which firms compete on prices at each level, we find that the above two consequences individually almost have opposite effects on the merging and non-merging firms’ optimal decisions/profits after a merger. Furthermore, even though the effects of upstream and downstream mergers are different, the vertical supply chain partners will always try to reduce their losses if the market power effect dominates, but will take actions that improve their profits if the synergy effect is stronger. The above results are robust enough to hold even when taking into account intra-brand competition among retailers.

Suggested Citation

  • Zhu, Jing & Boyaci, Tamer & Ray, Saibal, 2016. "Effects of upstream and downstream mergers on supply chain profitability," European Journal of Operational Research, Elsevier, vol. 249(1), pages 131-143.
  • Handle: RePEc:eee:ejores:v:249:y:2016:i:1:p:131-143
    DOI: 10.1016/j.ejor.2015.08.030
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    Cited by:

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    2. Lan, Yanfei & Yan, Haikuan & Ren, Da & Guo, Rui, 2019. "Merger strategies in a supply chain with asymmetric capital-constrained retailers upon market power dependent trade credit," Omega, Elsevier, vol. 83(C), pages 299-318.
    3. Swaray, Raymond & Salisu, Afees A., 2018. "A firm-level analysis of the upstream-downstream dichotomy in the oil-stock nexus," Global Finance Journal, Elsevier, vol. 37(C), pages 199-218.
    4. Yuan, Zhennan & Chen, Frank Y. & Yan, Xiaoming & Yu, Yugang, 2020. "Operational implications of yield uncertainty in mergers and acquisitions," International Journal of Production Economics, Elsevier, vol. 219(C), pages 248-258.
    5. Konstantinos Charistos & Christos Constantatos & Ioannis N. Pinopoulos, 2020. "Downstream horizontal mergers and wholesale price discrimination," Economics Bulletin, AccessEcon, vol. 40(4), pages 3124-3130.

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