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..