…However, if there are many taxation preferential treatments, such as the separate taxation, tax exemption system, and special deductions mentioned above, the income equalization function of progressive taxation will not work as expected. The phenomenon in which tax revenue that should be collected is not collected due to such preferential treatments is called income tax erosion. The more erosion there is, the more the progressive tax rate must be increased to raise the necessary tax revenue, which discourages the will to work and therefore the will to pay taxes. … *Some of the terminology explanations that mention "erosion" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…けれども,先に述べた分離課税,非課税制度,特別控除などで代表されている課税の優遇措置が多いと,累進課税による所得平準化機能は期待どおりには働かなくなる。このような優遇措置により本来徴税すべき税収が徴収されない現象を指して所得税のイロージョン(侵食)と呼ぶ。イロージョンが多ければ多いだけ必要な税収をあげるため累進税率を高めねばならず,それは勤労意欲ひいては納税意欲を阻害する。… ※「イロージョン」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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