We investigate the relationship between the notion of progressive taxation and inequality reduction under a general version of the concept of inequality equivalence. We consider a two parameter formalization of the concept of inequality equivalence that both includes as special cases the intermediate inequality equivalence and the unit-consistent inequality equivalence. Both criteria could range from relative to absolute inequality views as the parameters in the formulation change. For the unit-consistent inequality equivalence the condition of non-decreasing average tax rate is necessary and sufficient to guarantee the post-tax inequality reduction for all the inequality views in between the relative and the absolute.

A note on progressive taxation and inequality equivalence

Claudio Zoli
2017-01-01

Abstract

We investigate the relationship between the notion of progressive taxation and inequality reduction under a general version of the concept of inequality equivalence. We consider a two parameter formalization of the concept of inequality equivalence that both includes as special cases the intermediate inequality equivalence and the unit-consistent inequality equivalence. Both criteria could range from relative to absolute inequality views as the parameters in the formulation change. For the unit-consistent inequality equivalence the condition of non-decreasing average tax rate is necessary and sufficient to guarantee the post-tax inequality reduction for all the inequality views in between the relative and the absolute.
Progressive taxation, Inequality equivalence, Intermediate measures, Unit consistency
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11562/971697
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