本文有鑑於供給面經濟學主張稅率的降低會提高勞動者的工作意願，而增加勞動供給及產出；然凱因斯學派最大的缺失在於只觀察到稅率與總合需求的關係，卻忽略了稅率對於總合供給的影響，準此，本文將結合租稅誘發的供給面效果與完整凱因斯總合需求與總合供給的總體經濟模型為分析基礎，來探討政策工具與政策目標間的政策搭配關係。當模型無租稅誘發的供給面效果時，即退化為Ramirez(1986）的模型，兩個政策目標-充分就業與物價穩定間並非獨立的政策目標，無法做政策搭配。當模型涵蓋租稅誘發的供給面效果時，可以挽救Ramirez（1986）的缺失，政策當局可以運用財政與貨幣政策,達成所欲追求之充分就業與物價穩定的政策目標。

The thesis has closely examined that an important shortcoming of the Keynesian analysis is the neglect of potential tax-induced aggregate supply effects, and therefore, just as Marshall's proverbial scissors with one "misplaced" blade, the government cannot make proper policy decision. Hence, this paper incorporates the tax-induced aggregate supply effects into the analysis.
When a model does not include the supply-side effects of tax-induced, it degrades to a Ramirez (1986) and cannot be sued for policy assignment. On the other hand, a model incorporates the tax-induced aggregate supply effects remedies the flaws in Ramirez (1986) and can be used for appropriate policy assignment.

第一章 緒論…………………………………………….1
第一節 研究動機與目的……………………………….1
第二節 本文架構……………………………………….4
註 釋…………………………………………………….5
第二章 模型建立……………………………………….7
第三章 政策搭配………………………………………13
第一節 完整凱因斯總體模型的政策搭配…………..13
第二節 修正的凱因斯總體模型之政策搭配………..17
註 釋…………………………………………………..34
第四章 結論…………………………………………..35
數學附錄一…………………………………………….36
數學附錄二…………………………………………….39
參考文獻……………………………………………….41

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