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題名 下游異質產品競爭下的垂直整合福利效果分析
Is vertical integration welfare-enhancing in the presence of downstream product differentiation?
作者 黃文嫻
貢獻者 溫偉任
黃文嫻
關鍵詞 垂直整合
福利效果
下游產品異質
日期 2016
上傳時間 1-Jul-2016 14:53:57 (UTC+8)
摘要 本文利用連續寡占模型分析垂直整合對福利的影響,並分別討論垂直整合廠商退出與進入要素市場的情形。過去文獻發現當上游較下游集中且最終財產品替代性小時,如果垂直整合廠商退出要素市場,則垂直整合會降低社會福利。本文發現,當垂直整合廠商可以在要素市場自由買賣時,不論最終財產品替代性高低,垂直整合皆可提升社會福利。這是因為相較於垂直整合廠商退出要素市場,當上游集中度較高或下游產品替代性較小時,進入要素市場的垂直整合廠商將策略性賣出中間財,從而降低中間財價格、增加下游總產量,並提升社會福利。
參考文獻 歐宜芬 (2015)。垂直整合廠商是否促成下游競爭廠商的聯合行為。國立政治大學,臺北市。
     European Commission (2002), “Commission Notice on a Simplified Procedure for Treatment of Certain Concentrations under Council Rugulation (EEC) No 4064/89,” Official Journal of the European Communities (2000/C 217).
     European Commission (2013), “Commission Notice on a Simplified Procedure for Treatment of Certain Concentrations under Council Rugulation (EC) No 139/2004,” Official Journal of the European Communities (2013/C 366).
     Gaudet, G. and N. V. Long (1996), “Vertical Integration, Foreclosure, and Profits in the Presence of double marginalization,” Journal of Economics and Management Strategy, 5(3), 409–432.
     Hackner, J (2003), “Vertical Integration and Competition Policy,” Journal of Regulatory Economics, 24(2), 213–222.
     Salinger, M. A. (1988), “Vertical Mergers and Market Foreclosure,” The Quarterly Journal of Economics, 103(2), 345–356.
     Wang, K.- C. , H.-W. Koo , and T.- J. Chen (2005), “Strategic Buying or Selling? : The Behavior of Vertically-integrated Firms in the Intermediate Goods Market,” Journal of Economic Integration, 20(2), 366–382.
描述 碩士
國立政治大學
國際經營與貿易學系
103351012
資料來源 http://thesis.lib.nccu.edu.tw/record/#G0103351012
資料類型 thesis
dc.contributor.advisor 溫偉任zh_TW
dc.contributor.author (Authors) 黃文嫻zh_TW
dc.creator (作者) 黃文嫻zh_TW
dc.date (日期) 2016en_US
dc.date.accessioned 1-Jul-2016 14:53:57 (UTC+8)-
dc.date.available 1-Jul-2016 14:53:57 (UTC+8)-
dc.date.issued (上傳時間) 1-Jul-2016 14:53:57 (UTC+8)-
dc.identifier (Other Identifiers) G0103351012en_US
dc.identifier.uri (URI) http://nccur.lib.nccu.edu.tw/handle/140.119/98531-
dc.description (描述) 碩士zh_TW
dc.description (描述) 國立政治大學zh_TW
dc.description (描述) 國際經營與貿易學系zh_TW
dc.description (描述) 103351012zh_TW
dc.description.abstract (摘要) 本文利用連續寡占模型分析垂直整合對福利的影響,並分別討論垂直整合廠商退出與進入要素市場的情形。過去文獻發現當上游較下游集中且最終財產品替代性小時,如果垂直整合廠商退出要素市場,則垂直整合會降低社會福利。本文發現,當垂直整合廠商可以在要素市場自由買賣時,不論最終財產品替代性高低,垂直整合皆可提升社會福利。這是因為相較於垂直整合廠商退出要素市場,當上游集中度較高或下游產品替代性較小時,進入要素市場的垂直整合廠商將策略性賣出中間財,從而降低中間財價格、增加下游總產量,並提升社會福利。zh_TW
dc.description.tableofcontents 1 緒論 2
     2 文獻回顧 5
     3 模型設定 7
     3.1 當D 1是獨立下游廠商時 10
     3.2 當D 1是垂直整合廠商的下游部門時 12
     3.2.1 情況(i):垂直整合廠商退出要素市場 (Hackner 2003) 12
     3.2.2 情況(ii):垂直整合廠商進入要素市場 14
     4 均衡分析 18
     4.1整合前與整合後退出要素市場 18
     4.2整合前與整合後進入要素市場 19
     4.3整合後退出與進入要素市場 22
     4.4小結 25
     5 結論 27
zh_TW
dc.source.uri (資料來源) http://thesis.lib.nccu.edu.tw/record/#G0103351012en_US
dc.subject (關鍵詞) 垂直整合zh_TW
dc.subject (關鍵詞) 福利效果zh_TW
dc.subject (關鍵詞) 下游產品異質zh_TW
dc.title (題名) 下游異質產品競爭下的垂直整合福利效果分析zh_TW
dc.title (題名) Is vertical integration welfare-enhancing in the presence of downstream product differentiation?en_US
dc.type (資料類型) thesisen_US
dc.relation.reference (參考文獻) 歐宜芬 (2015)。垂直整合廠商是否促成下游競爭廠商的聯合行為。國立政治大學,臺北市。
     European Commission (2002), “Commission Notice on a Simplified Procedure for Treatment of Certain Concentrations under Council Rugulation (EEC) No 4064/89,” Official Journal of the European Communities (2000/C 217).
     European Commission (2013), “Commission Notice on a Simplified Procedure for Treatment of Certain Concentrations under Council Rugulation (EC) No 139/2004,” Official Journal of the European Communities (2013/C 366).
     Gaudet, G. and N. V. Long (1996), “Vertical Integration, Foreclosure, and Profits in the Presence of double marginalization,” Journal of Economics and Management Strategy, 5(3), 409–432.
     Hackner, J (2003), “Vertical Integration and Competition Policy,” Journal of Regulatory Economics, 24(2), 213–222.
     Salinger, M. A. (1988), “Vertical Mergers and Market Foreclosure,” The Quarterly Journal of Economics, 103(2), 345–356.
     Wang, K.- C. , H.-W. Koo , and T.- J. Chen (2005), “Strategic Buying or Selling? : The Behavior of Vertically-integrated Firms in the Intermediate Goods Market,” Journal of Economic Integration, 20(2), 366–382.
zh_TW