“双重边际效应（double marginalization）”探讨

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    我对“double marginalization”的理解是，上下游企业（上游企业为供应商，下游企业为零售商）存在竞争，使得独立决策的最终产品的价格要高于集中决策时的高，而产量要低。即集中化可使得薄利多销，真体最优。



我的问题：若引入一种战略（比如下游企业对上游企业进行持股战略）使得上游企业在出售产品给下游企业时批发价格提高了，但最终产品的市场价格降低。这能否说明双重边际效应减弱。

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关键词：Marginal double margin ATION 边际效应 double

是的 任一形式的整合都能削弱这一影响
产业链优势就是这样一步一步建立起来的

学习了，heheheh

Double marginalization is defined as the “exercise of market power at successive vertical layers in a supply chain.” Dating back to Lerner (1934) the problem that arises as a result of double marginalization is tied to an impetus to mark up the product’s price above marginal cost. According to a 2005 Caltech paper (Vertical Integration of Successive Monopolists: A Classroom Experiment) the sequence of mark-ups “leads to a higher retail price and lower combined profit for the supply chain than would arise if the firms were vertically integrated.”
In short, double marginalization drives the paradoxical outcome of higher buyer prices with lower seller profits. However the paper’s suggestion that vertically integrated supply chains represent a sound response to the double marginalization issue is highly questionable.
This is due to the fact that vertically integrated supply chains are often inflexible in terms of responding to the diverse stakeholder dynamics that are reshaping the ways in which organizations buy and sell in the emerging global economy.

Li, T.; Sethi, S. P. & He, X. Dynamic pricing, production, and channel coordination with stochastic learning Production and Operations Management, Wiley Online Library, 2015, 24, 857-882

推荐一篇文章, 给还专注这个问题的研究者