本文探討所得稅率移轉至消費稅率對於經常帳餘額的影響。已存在文獻對於政府稅收政策與經常帳餘額之關係並不多見。Day and Day（2010）提出所得稅率與經常帳餘額存在跳動點的關係。本文採用系統性動差估計法，針對經濟暨發展組織的33個成員國1990年至2009年間，分析所得稅率與經常帳餘額是否存在非線性關係，進行檢驗。

實證研究結果發現：所得稅率與經常帳餘額存在非線性關係。此外，消費稅率與經常帳餘額也存在非線性的關係。將所得稅移轉至消費稅的課徵政策，在部分區間可以改善經常帳。

This paper examines the effects of a shift from income tax to consumption tax on current account balance. Previous studies on the influences of taxation policies on current account balance are deficient. Day and Day(2010) find that a tick‐curve effect exists between income tax rate and current account balance. Based on 33 member countries of Organization for Economic Co‐operation and Development, this research applies GMM (generalized method of moments) estimates to investigate the exact relationship between income tax rates and current account balance over the period from 1990 to 2009.

Empirical results indicate that a non‐linear linkage exists between income tax rate and current account balance. A shift from income tax to consumption tax is possibly to improve current account balance.

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