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Le Québec devrait-il augmenter les taxes à la consommation?

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  • David Leung
  • Markus Poschke

Abstract

We study the effects of four tax reforms using a life-cycle model with overlapping generations and heterogeneous agents in the presence of idiosyncratic risk to labor and capital income under a complex tax system. The model adequately replicates the joint empirical distributions of income, wealth and tax payments. In an economy with a highly progressive personal income tax, a revenue-neutral shift from taxes to consumption taxes increases savings and output. This policy particularly benefits those with low levels of wealth relative to their income. Several reforms increase aggregate income, despite small increases in inequality. Nous étudions les effets de quatre réformes fiscales à l’aide d’un modèle de cycle de vie avec générations chevauchantes et agents hétérogènes en présence de risque idiosyncratique pour les revenus du travail et du capital dans le cadre d’un système fiscal complexe. Le modèle réplique adéquatement les distributions empiriques conjointes du revenu, de la richesse et des paiements de taxes et d’impôts. Dans une économie où l’impôt sur le revenu des particuliers est fortement progressif, un déplacement à impact neutre sur les revenus publics en provenance de l’impôt vers les taxes à la consommation augmente l’épargne et la production. Cette politique bénéficie particulièrement à ceux disposant d’un faible niveau de richesse par rapport à leur revenu. Plusieurs réformes augmentent le revenu agrégé, malgré de faibles hausses dans les inégalités.

Suggested Citation

  • David Leung & Markus Poschke, 2022. "Le Québec devrait-il augmenter les taxes à la consommation?," CIRANO Project Reports 2021rp-30, CIRANO.
  • Handle: RePEc:cir:cirpro:2021rp-30
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    File URL: https://cirano.qc.ca/files/publications/2021RP-30.pdf
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    References listed on IDEAS

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    Keywords

    tax policies; reforms; consumption taxes; politiques fiscales; réformes; taxes à la consommation;
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