| 产品范围选择、替代关系调整与兼并效应分析 |
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| 引用本文： | 张玉,. 产品范围选择、替代关系调整与兼并效应分析[J]. 华东经济管理, 2011, 25(5): 100-102,118. DOI: 10.3969/j.issn.1007-5097.2011.05.022 |
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| 作者姓名： | 张玉 |
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| 作者单位： | 深圳大学,数学与计算科学学院,深圳,518054 |
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| 摘 要： | 文章考察了横向兼并所形成的新企业进行产品范围选择以及替代关系调整时，兼并行为所产生的效应问题：通过一个3企业的两阶段博弈研究了兼并行为对行业内各企业的净利润以及对社会福利所产生的影响。结果表明企业普遍存在兼并动机；兼并所形成的新企业选择保留原有产品范围时，如果替代系数降低的幅度比较大，整个社会的福利将会增加。
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| 关 键 词： | 横向兼并 产品范围选择 替代关系调整 博弈论 |
Product Range Selection,Substitution Relationship Adjustment and Merger Effects Analysis |
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| ZHANG Yu. Product Range Selection,Substitution Relationship Adjustment and Merger Effects Analysis[J]. East China Economic Management, 2011, 25(5): 100-102,118. DOI: 10.3969/j.issn.1007-5097.2011.05.022 |
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| Authors: | ZHANG Yu |
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| Affiliation: | College of Mathematics and Computational Science; Shenzhen University; Shenzhen 518054; China |
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| Abstract: | This paper analyzes horizontal merger effects when the merged firm chooses product range and adjusts substitution relationship between products.Based on a three firms two-stage game,we analyze how a merger affects each firm s net profit and social welfare.The results show that firms have incentives to merge,and the social welfare will be improved if the merged firm keeps original product range and substitution coefficient is reduced greatly. |
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| Keywords: | horizontal merger product range selection substitution relationship adjustment Game theory |
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