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采用SaloP圆周城市模型来研究产品差异化的市场竞争状况,根据Bertrand竞争理论来分析市场的均衡状态,利用四阶段动态博弈为研究思路,假定市场中存在四家企业,均匀地分布在圆周上,其中一家企业具有先动兼并优势,首先分析此先动企业尝试着分别兼并圆周上相邻企业和与其位置相对称的企业,然后分析在两种不同兼并目标的选择情况下,剩余两家企业的兼并反应情况,由此先动企业会决定是否调整初始决策,最后将先动企业在选择不同兼并目标的情况下所能获得的最大利益进行对比,从而发现先动企业所应该作的最佳兼并决策.研究发现,在不同强度的网络外部效应下,企业会选择不同的兼并目标.最后分析了对于先动企业所作的最佳兼并决策,以及社会福利发生的变化.
Using the SaloP circular city model to study the market differentiation of product differentiation, analyze the market equilibrium according to Bertrand competition theory, and use the four-stage dynamic game as the research idea. Assume that there are four companies in the market and are evenly distributed on the circumference. One of the companies has the advantage of first-mover mergers. Firstly, this first-run company tries to merge the companies that are adjacent to each other and its position on the circumference, and then analyzes the choices of two different merger targets, and the remaining two companies Merger and reacquisition, whereby the first-to-move company will decide whether to adjust the initial decision, and finally compare the best interests that the first-run companies can achieve when they choose different merger targets, so as to find out the best merger that the first-run companies should do. Decision-making. Research finds that under different strengths of network externalities, companies will choose different mergers and acquisitions. Finally, they analyze the best merger decision made by the first mover and the changes in social welfare.