本文以 Victor D. Cha 之日韓準同盟理論分析，探討日、韓雙方在東海油氣田爭端上不斷出現合作與衝突局面擺盪的特性。由過去日、韓雙方在東海油氣田爭端上之互動，可以看出以下的特性:(1)在雙邊關係上，當日韓兩國所面對的「拋棄」或「牽連」的不安感程度為「不對稱」時，如 1972 年 美國總統尼克森訪問中國之後，日、韓之間因此而產生衝突，並促使日韓各自試圖與中國合作;(2)當日韓兩國面對的「拋棄」或「牽連」的不安感程度為「對稱」時，如 1977 年美國總統..

This research analyzed the characteristics of repeated cooperation and conflicts between Japan and Korean over disputes of the East China Sea oil and gas field based on the Japan-Korea quasi-alliance model of Victor D. Cha. In previous disputes over the East China Sea oil and gas fields, the characteristics of Japan-Korea interaction are organized as follows: (1)When the instability level of abandonment or entrapment faced by Japan and Korea in their bilateral relationship is asymmetric, conflict arises between Kor..

本論文目的在於，針對韓國與臺灣及中國貿易結構，探討兩岸 ECFA 對韓臺經貿關係的影響。韓國與中華民國臺灣皆是以出口為導向的國家，經濟成長主要依靠對外出口。兩國的經濟、產業結構相似、出口市場重疊，在國際市場成為競爭對手。韓、臺最大的出口市場都是中國，對中國的主要出口產品同質性高，在中國市場難免形成激烈競爭。兩岸簽署 ECFA 之後，臺灣較韓國擁有較大的價格優勢，將會削弱韓國在中國市場的競爭力，這對韓國的外貿而言，堪稱一場災難。為了渡過兩岸簽署 ECFA 的難..

The goal of this paper is to examine impact of the ECFA on economic and trade relations between South Korea and Taiwan from trade structure among three counties. South Korea and the Republic of China at Taiwan are export-oriented countries that mainly rely on economic growth by export. Both countries have become competitive on the international market as their bilateral economic and industrial structures are similar and export markets overlapping. China is both countries’ largest export market and there exist homogeneit..