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    Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/128774


    Title: 考慮下游異質產出競爭與降低成本研發下的內生垂直整合
    Endogenous vertical integration in the presence of downstream product differentiation and cost-reducing R&D
    Authors: 李志允
    Li, Zhi-Yun
    Contributors: 溫偉任
    Wen, Wei-Jen
    李志允
    Li, Zhi-Yun
    Keywords: 垂直整合
    異質產出
    降低成本研發
    社會福利
    過度研發
    Vertical integration
    Product differentiation
    Cost-reducing R&D
    Social welfare
    Date: 2019
    Issue Date: 2020-03-02 10:58:30 (UTC+8)
    Abstract: 本文考慮一個有兩家上游與兩家下游的垂直相關市場,並假設上游廠商生產同質中間財,下游生產異質產品。我們分析當下游廠商可以投入研發以降低生產成本時,垂直整合的福利效果。 
     研究結果顯示:當少許研發支出就可以大幅降低生產成本(研發效率高),市場中存在兩家垂直整合廠商時的福利會低於僅有一家垂直整合廠商時的福利。反之,當研發效率低時,市場中存在兩家整合廠商時會有較高的福利。這是因為降低生產成本之研發投入的單位成本過小,使兩家整合市場之廠商投入的研發過多,造成過度研發進而減少社會福利,使市場中存在兩家垂直整合廠商時的福利會低於僅有一家垂直整合廠商時的福利。
    This research examines the social welfare of vertical integration market with two upstream firms that produce same quality intermediate goods and two downstream firms that produce differentiation product and downstream firms can invest in cost-reducing R&D. We demonstrate that if firms costing small amount of R&D cost will substantially reducing their producing cost (high R&D efficiency), the social welfare of two vertical integrated firms market will lower than the social welfare of one vertical integrated firm market. In contrast, when R&D efficiency is low, the social welfare of two vertical integrated firms market will higher than the social welfare of one vertical integrated firm market. That’s because the unit cost of cost-reducing R&D is too small, the market of two vertical integrated firms will overinvest in R&D and reduce social welfare. So that the social welfare of two vertical integrated firms market will lower than the social welfare of one vertical integrated firm market.
    Reference: 行政院公平交易委員會(1991),公平交易法,台北:行政院公平交易委員會。[Fair Trade Commission(1991), “Free Trade Act” , Taipei, Fair Trade Commission.]
    行政院公平交易委員會(1992),公平交易法施行細則,台北:行政院公平交易委員會。[Fair Trade Commission(1991), “Implementing Rules to the Fair Trade Act” , Taipei, Fair Trade Commission.]
    Banerjee and Lin, P. (2003), “Downstream R&D, raising rivals’ costs, and input price contracts” , International Journal of Industrial Organization, vol.21, Iss1, 79-96.
    Buehler and Schmutzler (2008),“Intimidating competitors—Endogenous vertical integration and downstream investment in successive oligopoly”, International Journal of Industrial Organization, vol.26, Iss1, 247-265.
    Brocas (2003), “Vertical integration and incentives to innovate” International Journal of Industrial Organization, vol.21, Iss4, 457-488.
    Gaudet. G. and Long, N. (1996), “Vertical integration, foreclosure, and profits in the presence of double marginalization”, Journal of Economics and Management Strategy, 5(3), 409-432.
    Ordover, J. A., Saloner, G., and Salop, S. C. (1990), “Equilibrium vertical foreclosure”, The American Economic Review,80, 127-142.
    Salinger, M.A. (1988), “Vertical Mergers and Market Foreclosure”, The Quarterly Journal of Economics, 103(2), 345-356.
    Shy, O. (1995), Industrial organization: theory and applications, MIT press.
    Wang, K. C., Koo, H. W., and Chen, T. J.(2005), “Strategic buying or selling? : The behavior of vertically-integrated firms in the intermediate goods market”, Journal of Economic Integration, 20(2), 366-382.
    Wen, W. J., Lee, W. C., and Huang W. H., “Welfare-improving Vertical Mergers in the Presence of Downstream Product Differentiation”
    Description: 碩士
    國立政治大學
    國際經營與貿易學系
    106351037
    Source URI: http://thesis.lib.nccu.edu.tw/record/#G0106351037
    Data Type: thesis
    DOI: 10.6814/NCCU202000235
    Appears in Collections:[國際經營與貿易學系 ] 學位論文

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