Previous studies on profit improvement mainly consider improving traditional profit efficiency including the technical, allocative, and price profit efficiencies. Few studies discuss profit improvement by optimizing the structural arrangement of the network system, which is about adjusting the combinations of upstream and downstream entities in the system. When achieving traditional efficiency, the system's profit can no longer be increased only by reducing inputs, increasing outputs, and adjusting prices. In this situation, structural rearrangement may provide a silver lining to profit improvement. In this study, we take the two-level supply chains as an example and address the research question of . To answer this question, we view two-stage subsystems in each system as players and propose a data envelopment analysis permutation game method. Through this method, we find the optimal structural rearrangement plan, which is a new way to further improve the profit in addition to improving traditional profit efficiency. We propose a new efficiency measurement, the structural profit efficiency, and find overall profit efficiency is the product of structural profit efficiency and traditional profit efficiency. Finally, we conduct an experiment using the data of 27 supply chains to validate our proposed method and provide the optimal structural rearrangement plans for them.

中文翻译：

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从效率角度重构网络体系：利润提升的一线希望

以往关于利润改善的研究主要考虑提高传统利润效率，包括技术利润效率、配置效率和价格利润效率。很少有研究讨论通过优化网络系统的结构安排来提高利润，即调整系统中上下游实体的组合。当实现传统效率时，系统的利润不再仅仅通过减少投入、增加产出、调整价格来增加。在这种情况下，结构调整可能为利润改善带来一线希望。在本研究中，我们以二级供应链为例，解决 的研究问题。为了回答这个问题，我们将每个系统中的两阶段子系统视为参与者，并提出一种数据包络分析排列博弈方法。通过该方法找到最优的结构重组方案，是除了提高传统利润效率之外进一步提高利润的新途径。我们提出了一种新的效率衡量标准——结构性利润效率，并发现总体利润效率是结构性利润效率与传统利润效率的乘积。最后，我们利用27个供应链的数据进行实验来验证我们提出的方法并为其提供最优的结构重组方案。