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A progressividade do imposto de renda da pessoa física no Brasil

Abstract

The goal of this work is evaluate the progressivity of Brazilian personal income tax from 2006 to 2012, using index numbers that allows comparisons with other countries. Among measures of effective or global progression, this paper calculates the Kakwani's and Suit's indexes of departure from proportionality and the Reynolds-Smolensky's, Musgrave-Thin's and Pfähler's indexes of redistributive capacity. The results show that the Brazilian personal income tax exhibits high progressivity compared with Latin American and developed countries. On the other hand, the redistributive capacity of the personal income tax is limited due to its low revenue compared with national gross income, a problem also faced by countries with per capita income similar to Brazil's. The paper also calculates the progressivity decomposition of personal income tax structure, and finds that the tax-rate effect is responsible for the entire progressivity while the base effect is proportional.

Keywords
Personal income tax; Tax incidence; Tax progressivity

Departamento de Economia; Faculdade de Economia, Administração, Contabilidade e Atuária da Universidade de São Paulo (FEA-USP) Av. Prof. Luciano Gualberto, 908 - FEA 01 - Cid. Universitária, CEP: 05508-010 - São Paulo/SP - Brasil, Tel.: (55 11) 3091-5803/5947 - São Paulo - SP - Brazil
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