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The Cooperation and Competition Mechanism in the Circumstances of Supply Chain Competition

Author: DengWenZuo
Tutor: ZhangHanJiang
School: Hunan University
Course: International Trade
Keywords: Supply Chain Competition Information Asymmetry Co-Competition Mechanism Screening
CLC: F274
Type: Master's thesis
Year: 2008
Downloads: 240
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Abstract


The cooperation and competition of supply chain have become the first choice of corporate strategy. This paper is mainly focus on the issues of supply chain cooperation and competition in the case of two supply chains which have asymmetric information in the supply chain competitive environment. Using normative study of game theory, this paper studied the screening model when the upstream enterprise offered the downstream contract in the form of contract menu, and tried to get the best strategy of the two supply chains.This article established a screening model containing two competing supply chains for the study of the supply chain cooperation and competition mechanism in the circumstances of information asymmetry between chains. First, based on the problem description and model assumptions, we analyzed the competitive equilibrium of supply chains under the condition of symmetric information, which included a Stackelberg equilibrium in supply chain and a Nash equilibrium under Cournot competition between chains, they all constituted the SISB Equilibrium. And then, in the case of information asymmetry between chains and information symmetry in chains, we researched retailers’and manufacturer’s best strategy, analyzed a Bayesian Nash equilibrium under Cournot competition between the information uncompleted retailers, and a Stackelberg in the information symmetrical chain, which together constituted the SIAB Equilibrium. In the following, we studied the retails’and manufacturer’s best strategy in the case of information asymmetry between chains and within one supply chain is information asymmetry, discussed the reason for not having pooling equilibrium and got the separating equilibrium, a Bayesian Nash Equilibrium under Cournot competition between the two information asymmetric retails, and a Stackelberg equilibrium within the information symmetrical supply chain, which together constituted the OAIAB equilibrium. At the last, we researched retails’and manufacturer’s best strategy in the case of information asymmetry both in and out supply chains, got the separating equilibrium in both the two chains, and a Bayesian Nash equilibrium under Cournot competition between the two information asymmetric retails, which together constituted the AIAB equilibrium. This paper has carried out a calculation and analysis of numerical example for equilibriums, and discussed economic implications of these equilibriums, as well as the value of information sharing within different circumstances.The SIAB equilibrium, OAIAB equilibrium, AIAB equilibrium in this paper and the SS equilibrium, ns equilibrium, NN equilibrium of Albert.y(2008),which together constitute a complete co-competition equilibrium system in the circumstances of supply chain competition and information asymmetry between chains. This equilibrium system could provide a relatively completed theory of reference for optimizing business cooperation and competition under the supply chain competitive environment.

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