自我國與美國斷交後，過去40年來，美國政府對臺軍售始終為美國作為兩岸關係第三方影響的重要課題，亦為在兩岸間「衝突預防」的政策工具。美國對於臺灣的安全承諾，長期擺盪在安全利益與民主聲譽之間，亦根源於行政部門和國會之間的立場分野。有別於過去的分析途徑，本文從外交政策分析(FPA)的理論視角切入，以總統決策機制為分析單元，討論美國總統在對臺軍售決策機制中究竟扮演的關鍵角色，以總統任期、領導人安全觀及府會結構三項解釋變數，檢視歷屆美國總統對於公布軍售和..

Since the United States switched diplomatic recognition from Taipei to Beijing, the U.S arms sales to Taiwan have been a critical issue affecting the Cross-Strait relations for the past 40 years. In order to preserve stability in the Taiwan Strait, maintaining sufficient self-defense capability for Taiwan has been the major goal of the United States. However, the U.S security commitment to Taiwan has long been fluctuating between security interests and democratic reputation. It also depends on the stance of the executive bran..

半總統制是新興民主國家廣為採用的政府制度類型，而現有關於半總統制的研究不論是著重憲法規範或實證行為面向，對於總統常態性的政策權限設計和相關的決策機關配置的系統性探討較為欠缺。本文試圖藉由包括臺灣在內共 21 個半總統制民主國家憲法設計的探索，讓半總統制的研究和理論能觸及總統常態性的治理課題，是半總統制研究中的新嘗試。本文焦點在於系統性解析多個國家憲法中總統的政策權與決策機關之設計模式，並進一步探討其與半總統制憲法上的次類型和實際的運作類型之關係。藉由多國案例..

Semi-presidentialism has been a popular form of government in emerging democracies. However, systematic analyses on the presidents’ powers in policy-making or on the related mechanisms of their decision- making process have been scarce. To fill in the gap in the field, this article surveys the experiences of 21 democratic countries. With a focus on constitutional design of president’s powers in policy and decision-making mechanisms, this article also tries to discover their relationship with sub- types of semi-pre..