法國第五共和體制向為半總統制的主要原型典範，並為穩定半總統制的代表，但法國各界對此一制度設計一直有著許多爭論與修改意見。2007 年法國總統大選前，各主要政黨候選人紛紛提出「第六共和」(la VIe République)的憲政倡議。法國新任總統薩科奇(Nicolas Sarkozy)於 2008 年進行自 1958 年第五共和以來最大規模的一次修憲。修憲主要方向同時強化總統與國會的權力，在總統權力部分修憲後強化總統的國會咨文權，形同間接賦予總統的行政優勢..

The French Fifth Republic (la Ve République) is not only the prototype of semi-presidentialism but also the typical model of “stable semi- presidentialism,” of which the French political circle and academia have never stopped their criticism over the design of the French Fifth Republic and have consistently expressed their opinions of modification. Even before the 2007 French presidential election, most of the major parties simultaneously advocated a new constitutional engineering plans of “la VIe Républiq..

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..