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..

現代科技日新月異，人類的太空活動也展現迥異於以往的面貌。太空科技不僅延伸到宇宙，另一方面也深入地表影響人類生活，諸如衛星傳送、新創產業、軍事技術等。連結虛擬和現實的宇宙空間，現行國際法必須處理嶄新議題的太空垃圾、太空國際法制化、太空資產保護等。同時間，從太空發射的低軌衛星訊息傳送、氣象觀測、衛星遙測等，也與一國內的太空法規範息息相關。這些都挑戰目前主權國家在國際社會的行為，以及在國內制定太空政策的想像。本文取日本太空發展之例，從公共財理論的概念分析太空集體財和私有財的內涵。發現由於太空的..

Modern technology is advancing with each passing day, and human space activities are also showing a completely different appearance from the past. Aerospace technology not only extends to the universe, but also profoundly affects human daily life, such as satellite transmission, emerging industries, and military technology. In order to regulate these human activities in space, the current international law must deal with new issues such as space junk, international legalization of space, and protection of space assets. At the same time, low..