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Openai/68f856b8-1b04-8007-8eca-95c93ab0d270
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===== 🧮 「逆進性」の構造的説明 ===== これらを踏まると、以下のような構造で「低所得層ほど負担が重くなる(逆進的)」という見方ができます: * 課税対象(タバコ・酒・宝くじなど)は、所得が低めの層で消費頻度が高い傾向があります。 * 税率・課税額が固定ないし一定であるため、所得が少ないほど「可処分所得に対する税・支出の比率」が高くなる。 * 政府・税務当局が「安定した税収源」としてこれらを扱ってきたという分析もあり、健康政策というより財政確保の色合いが強い。 * 結果として、低所得層がより大きな相対的負担を担っている可能性が高い。 もしよければ、 「過去の所得階層別消費構造(酒・たばこ・宝くじ)×可処分所得比率」の調査報告を探して、近似値やグラフを抽出してみましょうか?
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