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Middlemen: the good, the bad, and the ugly

Author

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  • Gary Biglaiser
  • Fei Li

Abstract

We examine the role of a middleman as an expert in markets. A seller's effort determines the quality of the good. Buyers observe neither the seller's effort nor the good's quality. A middleman, after observing a signal about the good's quality, decides whether to purchase it and then to sell it. We show that the presence of a middleman may either reduce or exacerbate the seller's moral hazard problem. We also consider a model with multiple middlemen. We find that the seller's effort is minimized if either the middleman's signal is perfect or the number of middlemen is large.

Suggested Citation

  • Gary Biglaiser & Fei Li, 2018. "Middlemen: the good, the bad, and the ugly," RAND Journal of Economics, RAND Corporation, vol. 49(1), pages 3-22, March.
    • Handle: RePEc:bla:randje:v:49:y:2018:i:1:p:3-22
    DOI: 10.1111/1756-2171.12216
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    Cited by:

    1. Gary Biglaiser & Fei Li & Charles Murry & Yiyi Zhou, 2020. "Intermediaries and product quality in used car markets," RAND Journal of Economics, RAND Corporation, vol. 51(3), pages 905-933, September.
    2. Andrew Rhodes & Makoto Watanabe & Jidong Zhou, 2021. "Multiproduct Intermediaries," Journal of Political Economy, University of Chicago Press, vol. 129(2), pages 421-464.
    3. Loertscher, Simon & Niedermayer, Andras, 2020. "Entry-deterring agency," Games and Economic Behavior, Elsevier, vol. 119(C), pages 172-188.
    4. Dong Yan & Christian A. Vossler & Scott M. Gilpatric, 2020. "Product quality and third-party certification in potential lemons markets," Working Papers 2020-04, University of Tennessee, Department of Economics.
    5. Xia Li & Timothy Simcoe, 2021. "Competing or complementary labels? Estimating spillovers in Chinese green building certification," Strategic Management Journal, Wiley Blackwell, vol. 42(13), pages 2451-2476, December.

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