本文旨在探討台北縣選民在 2005 年縣長與鄉鎮市長兩個不同層級選舉中的一致與分裂投票行為。本研究的重點在強調:欲瞭解選民於不同層級選舉中的投票行為，不但要關注各個層級選舉影響因素的異同，更需考量到兩項公職同時選舉時可能產生的相互影響。因此在本文中，除概述台北縣選民在這兩種選舉中的一致與分裂投票情形之外，亦嘗試以隨機效用(random utility)理論，推演兼顧上述兩個特性的雙變數「聯立式機率單元模型」 (simultaneous equations p..

This article examines the first ever simultaneous local elections of county and township magistrates in Taiwan in December, 2005. We argue that in order to fully understand the voting choices in simultaneous inter-level elections scholars need to take account not only those factors affecting each level’s election but also the interactions between different levels. There are two competing theories concerning the flow of causal influences, i.e., the bottom-up mass mobilization hypothesis and the top-down coat-tail effect ..