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..

本文基於一國憲政體制類型會影響政府在COVID-19疫情時運作的方式，嘗試探討台灣半總統制政府如何回應疫情。研究焦點放在中央政府層次，探討總統、行政院院長、疫情指揮中心（指揮官）以及國會等部門的運作，並考量一致性政府和總統兼黨主席等因素的影響。研究發現，在總統權力優勢的半總統制下，蔡英文總統在處理疫情上的角色是多重的，藉由總統和黨主席雙重身份，她既是主要政策決定者，也同時介入政策執行的督導和措施的指示。相對而言，行政院院長暨其領導的相關部會仍是因應疫情的行政主體，不過因疫情指揮中心和指揮..

Based on the fact that the type of government system will affect the way the government operates during the COVID-19 epidemic, this article attempts to explore how Taiwan’s semi-presidential government handled the epidemic. The focus of the study is on the central government level, exploring the operations of the president, the president of the Executive Yuan, the epidemic command center (commander), and Congress, and considering the impact of factors such as unified government and the fact that the president is the chairman of a poli..