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System No. U0002-2507201222522600
Title (in Chinese) 中間財訂價與貿易自由化的經濟分析
Title (in English) Economic Analyses on Input Pricing and Trade Liberalization
Other Title
Institution 淡江大學
Department (in Chinese) 產業經濟學系碩士班
Department (in English) Department of Industrial Economics
Other Division
Other Division Name
Other Department/Institution
Academic Year 100
Semester 2
PublicationYear 101
Author's name (in Chinese) 白豐銓
Author's name(in English) Feng-Chiuan Bai
Student ID 699540463
Degree 碩士
Language Traditional Chinese
Other Language
Date of Oral Defense 2012-06-12
Pagination 34page
Committee Member advisor - Jiunn-Rong Chiou
co-chair - Ya-Po Yang
co-chair - Ming-Fang Tsai
Keyword (inChinese) 中間財
貿易自由化
單一訂價
差別訂價
Keyword (in English) Intermediate goods
Trade liberalization
Uniform pricing
Discriminatory pricing
Other Keywords
Subject
Abstract (in Chinese)
本論文建立一個垂直相關市場模型,討論一第三國上游廠商同時提供中間財給兩個不同國家的下游廠商時,若其中一個國家的廠商想要跨國銷售的情況下,貿易自由化對上游廠商的訂價與兩國社會福利的影響,本論文得到的重要結果如下。

當上游廠商採取單一訂價且關稅不會太高時,上游廠商為了增加廠商A跨國銷售的誘因,會降低中間財價格,在此情況下,貿易自由化使得廠商A進入B國銷售下,出口國消費者剩餘與進口國廠商利潤皆有可能增加,此外,進口國的社會福利一定比自給自足下為高。

 當上游廠商採取差別訂價,且兩市場規模差異不大時,若貿易自由化使得廠商A跨國銷售,進口國的消費者剩餘反而可能因廠商A的加入而減少,進口國廠商的利潤則因為廠商A的加入而一定減少,因此,自給自足下進口國的社會福利,可能高於貿易自由化使廠商A進入B國銷售下的社會福利。
Abstract (in English)
This dissertation establishes a vertically related model to discuss when an upstream firm in the third country provides intermediate goods to two differentcountries’s downstream firms, the impact of trade liberalization on upstream firm’spricing and the two countries’ social welfare, If one downstream firm want to sell it’s product in the other country. Our findings are as follows.
When the upstream firm adopts uniform pricing and the tariff is not very high,the upstream firm will reduce the price of intermediate goods to induce firm Aexport it’s product to country B. When a lower tariff makes firm A sell it’s productin country A and B, the consumer surplus of the exporting country and the firm’sprofit of the importing country may increase. In addition, the social welfare of importing country must be higher than the case of autarky.
When the upstream firm adopts discriminatory pricing, and the market size oftwo countries are similar, the consumer surplus of the importing country may inversely decrease, if trade liberalization makes firm A sell in the other country, but the firm’s profit of the importing country will certainly decrease. By the reason, the social welfare of the importing country in the case of autarky may be higher than the case that firm A sell it’s product in the country B.
Other Abstract
Table of Content (with Page Number)
目錄


第 1 章 前言……………………………………………………………………1
第 2 章 基本模型………………………………………………………………6
      2.1 上游廠商單一訂價……………………………………………………6
      2.2 上游廠商差別訂價……………………………………………………8
第 3 章 貿易自由化……………………………………………………………10
      3.1 上游廠商單一訂價……………………………………………………11
      3.2 上游廠商差別訂價……………………………………………………14
第 4 章 福利分析………………………………………………………………21
      4.1 單一訂價下的福利分析………………………………………………21
        4.1.1 單一訂價下的兩國消費者剩餘…………………………………22
        4.1.2 單一訂價下的下游廠商利潤……………………………………23
        4.1.3 單一訂價下的兩國社會福利……………………………………24
      4.2 差別訂價下的福利分析………………………………………………25
        4.2.1 差別訂價下的兩國消費者剩餘…………………………………26
        4.2.2 差別訂價下的下游廠商利潤……………………………………27
        4.2.3 差別訂價下的兩國社會福利……………………………………29
第 5 章 結論……………………………………………………………………32
參考文獻……………………………………………………………………………34
References
DeGraba, P., (1990), “Input Market Price Discrimination and the Choice of Technology, ” American Economic Review, 80, pp. 1246–1253.
Fukushima, T. and Kim, N ., (1989), “Welfare Improving Tariff Changes A Case of Many Goods and Countries, ” Journal of International Economics, 26, pp. 383–388.
Ikeda, T. and Toshimitsu, T., (2010), “ Third-Degree Price Discrimination, Quality Choice, and Welfare, ” Economics Letters, 106, pp. 54–56.
Inderst, R. and Valletti, T., (2009), “Price Discrimination in Input Markets, ” RAND Journal of Economics, 40, pp. 1–19.
Jorgensen, J. G. and Schroder, P. J.H ., (2011), “Welfare Effects of Tariff Reduction Formulas, ” Review of International Economics, 19, 664–673.
Katz, M., (1987), “The Welfare Effects of Third-Degree Price Discrimination in Intermediate Good Markets, ” American Economic Review, 77, pp. 154–167.
Robinson, J., (1933) (1950 reprint), The Economics of Imperfect Competition (Macmillan,London, England).
Schmalensee, R., (1981), “Output and Welfare Implications of Monopolistic Third-Degree Price Discrimination,” American Economic Review, 71, pp. 242–247.
Valletti, T., (2003), “Input Price Discrimination with Downstream Cournot Competitors, ” International Journal of Industrial Organization, 21, pp. 969–988.
Varian, Hal R., (1985), “Price Discrimination and Social Welfare,” American Economic Review, 75, pp. 870–875.
Yoshida, Y., (2000), “Third-Degree Price Discrimination in Input Markets: Output and Welfare, ” American Economic Review, 90, pp. 240–246.
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