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L'évolution du caractère égalitaire du couple impôt sur le revenu-cotisations sociales sous la cinquième République

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Listed:
  • Alain Trannoy
  • Rachel Jehanne
  • Michel Lebreton
  • Patrick Moyes

Abstract

[eng] The Development of the Egalitarian Nature of the Taxes on Income/Social Contributions Pair Under the Fifth Republic, . by Alain Trannoy, Rachel Jehanne, Michel Lebreton, Patrick Moyes.. . The purpose of this paper is to grasp the development of the egalitarian nature of rates of taxation on income and wage-earners' social contributions over the 1959-1989 period, with no reference to any specific distribution of income. We used the equivalent of elasticity of income after taxes as a progressivity indicator (Jakobsson) for needs which are not continually differentiable. The study of the standard example of a wage-earning bachelor reveals uncertainty everywhere induced by legislative changes with the opposite effects. Raising the ceiling for social contributions, on the one hand, the effect of which is more egalitarian than not, was offset by increased rates under the ceiling. On the other hand, as far as income tax was concerned, the increase in the taxable threshold, which has more of an inegalitarian effect, was compensated for by raising the marginal rate of maximal taxation. [spa] Evolución del carácter igualitario del con junto "impuesto sobre la renta/cotizaciones sociales" en la Quinta República, . por Alain Trannoy, Rachel Jehanne, Michel Lebreton y Patrick Moyes.. . El presente artículo tiene por objeto analizar la evolución del carácter igualitario del baremo del impuesto sobre la renta y de las cotizaciones sociales salariales en el período 1959-1989, sin referirse a una distribución precisa de los ingresos. Con este fin se utiliza como indicador de progresividad el équivalente de la elasticidad del ingreso después de impuestos (Jakobsson) para necesidades no diferenciables continuamente. El estudio del caso tipo del soltero asalariado révéla una indeterminación generalizada provocada por cambios legislativos de efectos contrarios. Por una parte, el aumento del techo o límite superior de las cotizaciones sociales, que tiene un efecto más bien igualitario, se compensó con un aumento de los tipos impositivos situados bajo dicho limite. Por orra parte, el aumento de la base de imposición del impuesto sobre la renta, que tiene un efecto mas bien igualitario, se compensó con un aumento del tipo impositivo marginal . minimo. [ger] Die Entwicklung der egalitären Funktion der Lohnsteuersätze und der Sozialabgaben der Arbeitnehmer in der 5. Republik, . von Alain Trannoy, Rachel Jehanne, Michel Lebreton, Patrick Moyes.. . Dieser Artikel zielt darauf ab, die Entwicklung der egalitaren Funktion der Lohnsteuersätze und der Sozialabgaben der Arbeitnehmer für den Zeitraum von 1959 bis 1989 darzustellen, ohne auf eine bestimmte Einkommensverteilung bezug zu nehmen. Als Progressionsindikator verwenden wir den Gegenwert der Einkommenselastizität nach Abzug der Steuer (Jakobsson)hinsichtlich derjenigen Bedürfnisse, die nicht kontinuierlich differenzierbar sind. Die Analyse der Kategorie unverheirateter Arbeitnehmer weist eine allgemeine Unbestimmtheit auf, die durch legislative Änderungen mit entgegengesetzten Auswirkungen ausgelöst wird. Zum einen wurde hinsichtlich der Sozialversicherungsabgaben die Anhebung der Höchstgrenze, die eher egalitäre Auswirkungen hat, durch eine Erhöhung der Sätze unterhalb des Höchstbetrags ausgeglichen. Zum anderen wurde hinsichtlich der Einkommensteuer die Heraufsetzung der unteren Besteuerungsgrenze, die eher inegalitäre Auswirkungen hat, durch die Erhöhung des Grenzsatzes der Höchstbesteuerung kompensiert. [fre] L'évolution du caractère égalitaire du couple impôt sur le revenu-cotisations sociales sous la cinquième Republique, . par Alain Trannoy, Rachel Jehanne, Michel Lebreton, Patrick Moyes.. . L'objet de cet article est de saisir l'évolution du caractère égalitaire du barème de l'impôt sur le revenu et des cotisations sociales salariés sur la période 1959-1989, sans se référer à une distribution des revenus précise. Nous utilisons comme indicateur de progressivité l'équivalent de l'élasticité du revenu après impôt (Jakobsson) pour des besoins non continûment différentiables. L'étude du cas type du célibataire salarié révèle une indétermination généralisée provoquée par des changements législatifs aux effets contraires. D'une part, pour les cotisations sociales, le relèvement du plafond, qui a un effet plutôt égalitaire, a été contrebalancé par l'alourdissement des taux sous plafond. D'autre part, pour l'impôt sur le revenu, le relèvement du seuil d'imposition, qui a un effet plutôt inégalitaire, a été compensé par un alourdissement du taux marginal d'imposition maximal.

Suggested Citation

  • Alain Trannoy & Rachel Jehanne & Michel Lebreton & Patrick Moyes, 1991. "L'évolution du caractère égalitaire du couple impôt sur le revenu-cotisations sociales sous la cinquième République," Économie et Prévision, Programme National Persée, vol. 98(2), pages 1-19.
  • Handle: RePEc:prs:ecoprv:ecop_0249-4744_1991_num_98_2_5221
    DOI: 10.3406/ecop.1991.5221
    Note: DOI:10.3406/ecop.1991.5221
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    References listed on IDEAS

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    1. Anthony F. Shorrocks & James E. Foster, 1987. "Transfer Sensitive Inequality Measures," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 54(3), pages 485-497.
    2. Eichhorn, Wolfgang & Funke, Helmut & Richter, Wolfram F., 1984. "Tax progression and inequality of income distribution," Journal of Mathematical Economics, Elsevier, vol. 13(2), pages 127-131, October.
    3. Atkinson, Anthony B., 1970. "On the measurement of inequality," Journal of Economic Theory, Elsevier, vol. 2(3), pages 244-263, September.
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