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..

有別於戰後以來政治思想史、歷史與文化的研究，多元主義於 1970 年代中期後在日本政治學界正式登場。利用個案研究、深度訪談與調查計量方法，多元主義針對現代日本政治的運作進行實證分析，而日本的政經與社會結構也出現多元化的現象，賦予多元主義解釋的有效性，使得多元主義研究蔚為日本政治學的新潮流。然而，1993 年自民黨的下野，以及聯合政權形態的常態化，政治決定架構出現重大的轉變，多元主義在此挑戰下，採取政策爭論點研究途徑與特定行為者的個案研究，努力建構普遍的解釋模..

Differs to the traditional approaches of political theory history and the historical-cultural studies in postwar Japan, the pluralism approach had been introduced and connected to Japan’s political studies since the mid-1970s. Because of various changes of political, economic and social structure in Japan, the pluralism approach, which especially emphasizes on the research methods such as case study, in-depth interview and survey study, was efficiently utilized to analyze Japan’s practical politics and gradually b..