平行輸入、仿冒與服務品質

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黎婉郁(Wan-yu Li) 查詢紙本館藏

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經濟學系

論文名稱

平行輸入、仿冒與服務品質
(Parallel Import, Piracy and Service Quality)

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摘要(中)

本文利用一垂直差異化模型討論當市場僅存在代理商與平行輸入者時，代理商在面對不同的市場競爭型態下，會如何改變其願意提供給消費者的售後服務。其後進一步假設該市場開始出現仿冒，且消費者無從分別平行輸入品與仿冒品之真偽，探討此時代理商願意提供的售後服務將有何改變。本文的主要結論如下。當市場僅存在代理商與平行輸入者，代理商所提供之服務會比其獨占時要好，且Bertrand競爭下的售後服務優於Cournot競爭時的情況。若市場同時出現代理商、平行輸入者與仿冒者，無論競爭型態為何，仿冒的出現都讓原本只和平行輸入者競爭的代理商利潤增加、願意提供的售後服務減少，唯Bertrand競爭下的服務依舊優於Cournot競爭。本文發現仿冒者此時對代理商而言是有利的存在，有別於一般文獻多認為仿冒必然損害正版廠商利潤的看法。

摘要(英)

This thesis applies a vertical differential model to discuss how the distributor may alter their service to the consumers in different types of market competition when there are only distributor and parallel importer in the market. Furthermore, we analyze how distributor may change their service when the piracy exists in the market. The main conclusions of this thesis are as followed. If there are only distributors and parallel importers exist in the market, the distributor will offer a better service than it does when it monopoly the whole market. In this case, the service in the Bertrand competition is still better than that of the Cournot competition. If the piracy 、distributor、and the parallel importer all exist in the market, the existence of the piracy increase the profit of the distributor while decrease its service in all types of competition. While the service in the Bertrand competition remains better than that of Cournot competition. We find that the existence of piracy is beneficial to the copyrighted firm.

關鍵字(中)

★ 服務品質
★ 仿冒
★ 平行輸入
★ 授權

關鍵字(英)

★ authorization
★ parallel import
★ piracy
★ service quality

論文目次

第1章緒論 1
1.1 研究動機與目的1
1.2 文獻回顧2
1.3 論文架構4
第2章基本模型 5
2.1 代理商獨占5
第3章代理商與平行輸入者8
3.1 Bertrand價格競爭9
3.2 Cournot數量競爭13
3.3 Bertrand競爭與Cournot競爭的比較18
第4章代理商、平行輸入者與仿冒者20
4.1 Bertrand價格競爭 22
4.1.1 存在仿冒下的Bertrand競爭情況22
4.1.2 Bertrand競爭下，仿冒出現對代理商與平行輸入者之影響29
4.2 Cournot數量競爭30
4.2.1 存在仿冒下的Cournot競爭情況31
4.2.2 Cournot競爭下，仿冒出現對代理商與平行輸入者之影響 37
4.3 Bertrand競爭與Cournot競爭的比較38
第5章結論45
參考文獻46
附錄數字模擬結果
圖目錄
圖1 Bertrand競爭
圖2 Bertrand競爭
圖3 Cournot競爭
圖4 Cournot競爭
圖5 不同市場結構下的服務水準
圖6 市場仿冒比例與代理商品價格的關係
圖7 市場仿冒比例與代理商品產量的關係
圖8 市場仿冒比例與代理商利潤的關係

參考文獻

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指導教授

邱俊榮、徐之強
(Jiunn-rong, Chiou、Chih-chiang, Hsu)

審核日期

2008-7-23

推文