現今半總統制國家數目已經正式超越純粹總統制與內閣制，成為當今最多國家採用的政體類型。近來部分研究關注於半總統制國家的演化發展，除探討半總統制國家朝向內閣制傾斜的演化趨勢外，半總統制國家朝向「總統化」(presidentialisation)發展現象也成為學界關心的新研究焦點。本研究嘗試從半總統制國家朝向總統化發展的角度，探討總統化的定義內涵與演化動力、總統化對於政黨體系的影響，特別著重於總統化對於內閣性質以及內閣穩定度(stability of cabine..

The semi-presidential system has become the most popular regime type in the world, indicated by the number of states that adopted the system having surpassed that of purely presidential system and the parliamentary system since 2000. A number of major studies have recently focused on the evolution of semi-presidentialism; some of the researches have sketched the working mode of parlimentalization of semi-presidential system, and considerable studies have been paying attentions to the development of a semi-presidential system ..

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..