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立委選舉中民進黨的“聯合競選策略”:以北高兩市爲例

The DPP's United Campaign Strategy in the Legislative Yuan Elections: The Case of Taipei and Kaohsiung City

摘要


在歷屆的立委選舉中,民進黨各地區的選戰策略容或有所差異,然而觀察臺北、高雄兩直轄市的選舉發現,「聯合競選策略」(united campaign strategy)被廣泛運用,該策略結合同選區的數位候選人爲一選舉聯盟,取代過去個別候選人單獨作戰的競選模式。而伴隨聯合競選而來的「配票」措施,亦成爲在SNTV 選制下,一種特殊的競選策略。本研究主要欲探討促成政黨或候選人採取聯合競選的原因,釐清在何種背景條件或選舉情勢之下,政黨或候選人有較高動機採取聯合競選或進行配票,並試圖評估該策略可能產生的選舉效應。 研究結果發現,政黨促成聯合競選與配票的目的包括「團結」、「排外」、與「席次極大化」,而候選人願意配合該競選策略除了希望提高當選機會外,節省競選經費亦是一重要目的。形成聯合競選前的評估因素,則包括了候選人本身的意願、政黨票源的估計、黨內候選人間的實力差距、敵對政黨候選人的實力、以及該選區過去有無聯合競選傳統等。在策略的選舉效應部分,在政黨選區得票率、席次率、以及候選人間平均得票情形,皆須有其他條件如提名策略的配合,聯合競選之策略運用才能在上述三指標上發揮其正面的效果。最後本文認爲,即使立委選舉從第七屆開始改採「單一選區兩票制」,政黨與候選人不再有聯合競選或平均配票的需求,但在地方層級民意代表選舉仍維持SNTV選制的情況下,聯合競選與配票依然會是選舉競爭中重要的競選策略。

並列摘要


This article examines the formation and electoral effects of the <||>united campaign strategy<||> used by the DPP in the Taipei and Kaohsiung City elections. This campaign strategy is a peculiarly maneuvered under SNTV electoral system. Its unique feature is that, instead of campaigning alone, the candidates from a party step up their campaigns as a union to facilitate the allocation of votes, namely <||>vote equalization<||>. The empirical evidence indicates that the formation of this strategy is primarily connected with the rational thinking of a party and its candidates. The goals of this strategy areto raise the chances of winning, to decrease the campaign funds, to equalize the votes for candidates, and to optimize the party's vote shares and seats. Based on an analysis of the outcomes of the comparative research design, <||>a united campaign<||> and <||>vote equalization<||> strategy does not have the positive electoral effects mentioned above without some contributing factors, such as the party's nominating strategy and the gap in the approval rates among candidates. Even though there is changes are taking place in the Legislative Yuan's electoral system, a united campaign and vote equalization strategy will still play an important role in the local legislative elections, which are still under the SNTV system.

參考文獻


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