混合式選制融合了多數決與比例代表兩種選制的精神，不過關於此種選制兩票架構對投票的影響，有兩種截然不同的主張:一是認為兩票各自獨立運作，其影響可以獨立估算;另一派則主張兩票抉擇會相互影響，亦即具有所謂連動效果(interaction effects，或稱感染效果 contamination effects)的存在，因此必須綜合考量兩票架構的互動關係。而在日本施行的混合選制，又因允許候選人在兩種選票間重複提名，更使得其兩票間的連動關係益形複雜。 ..

The Mixed Electoral System combines the spirits of plurality and proportional representation. The way two-ballot structure influencing the voting behavior however is not settled. Of the two distinctive schools, one believed that two ballots work separately and therefore, their influences should be estimated independently. The other group advocated the existence of contamination effects (or interaction effects), and believed that it is necessary to consider the interaction between two ballots. As for the Mixed- Member Majorita..

在戰後日本民主憲政史上，2005 年舉辦的第 44 屆日本眾院議員選舉深受各界重視，特別是因為該屆選舉，是日本政治史上首度因重大政策遭國會否決，內閣首相逕予交付民意定奪的一項公民複決選舉。當時自民黨的執政內閣能否在改選中贏取民心，亦或由民主黨等在野黨派來更迭政權，不僅攸關小泉純一郎首相政治生命與改革路線的延續，更牽動日本未來政經局勢的發展走向，其重要性確實不容小覷。 有別於過往研究囿限於宏觀層次或質化的研究途徑，本文嘗試根據日本選舉研究..

The 44th Japanese House election in 2005 has played a significant role in its post-war democratic history and also drove a lot of attention in the academics. The importance of this election, regarded as the national referendum for the postal reform, relies on the fact that it is the first time the House is dismissed because of unsolved policy gridlock. The consequence of the election not only results in the destine of LDP coalition government and the political career of Prime Minister Junichiro Koizumi, but also the developme..