在討論服務貿易自由化的議題中，我們加入異質商品並依據不同的開放方式分為兩個部分做討論，第一部分開放的方式為商業據點的開放，第二部分開放的方式為提高持股比例，上述兩部分皆討論均衡的市場結構、廠商行為及政府的最適政策等。本研究得到以下結果: (1)服務貿易自由化與商品貿易有可能存在替代的關係。(2)在無嚴格的智慧財產權限制下，社會福利會優於有嚴格的智慧財產權限制。(3)當外國持股廠商可控制本國被持股廠商時，外國廠商只會選擇從本國或外國廠商其中一方生產。

To discuss the liberalization of service-in-trade, we add in heterogeneous goods; therefore, we separate it into two parts by different measures. The first part opens up measure in commercial presence; the second part opens up measure in raising the ownership. Both of these two parts discuss about market structure, the optimum policy of government, and company behavior. The research gets the following results: 1. The liberalization of service-in-trade in substitution for commodity trade may exist. 2. Social welfare with liberal limitation of intellectual property rights would be better than it with strict limitation. 3. When foreign company with ownership could control domestic company, one of them would be chosen for producing by foreign company.

論文審定書 i
摘要 ii
Abstract iii
1.前言 1
2.服務貿易開放政策與市場結構 8
2.1 服務貿易開放前之市場均衡與廠商行為 10
2.2 服務貿易開放後之市場均衡與廠商行為 15
2.3 開放服務貿易後產出、價格、消費者剩餘及社會福利的變化 20
2.4 政府政策 30
3 存在本國潛在廠商下的延伸模型 31
3.1 服務貿易開放前之市場均衡與廠商行為 33
3.2 有智慧財產權下，服務貿易開放之市場均衡與廠商行為 36
3.3 無智慧財產權下，服務貿易開放之市場均衡與廠商行為 41
3.4 政府政策 49
3.5比較有無智慧財產權下的社會福利 50
3.6結論 51
4.開放持股比例的市場結構與政府政策 53
4.1 外國廠商無控制權的市場均衡 54
4.2 外國廠商有控制權的市場均衡 57
4.2.1 由本國被持股廠商(h)生產的市場均衡 58
4.2.2 由外國廠商生產的市場均衡 60
4.3 政府決策 63
4.4 結論 65
附錄 66
參考文獻 67

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