Earnings inequality and tax progressivity in Slovenia, 1991–2009

Stanovnik, Tine and Verbič, Miroslav (2013) Earnings inequality and tax progressivity in Slovenia, 1991–2009. Acta Oeconomica, 63 (4). pp. 405-421. ISSN 0001-6373

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Abstract

This paper analyses the distribution of employee earnings in Slovenia in the period 1991–2009. The analysis is based on large samples from the personal income tax (PIT) files. According to the Gini coefficient, increases in earnings inequality were moderate; however, relatively large increases in the shares accruing to the top 5% and top 1% of employees did occur. Inequality of employees’ after-tax earnings (i.e. net of employee social contributions and PIT) remained fairly stable in this time period, due to the increasing progressivity of PIT, as shown by the Kakwani index of progressivity. Increases in progressivity of the personal income tax came in leaps, following the introduction of new income tax legislation. Institutional settings and the introduction of minimum wage legislation in 1995 also appear to havemoderated inequality increases, which were quite large in the early years of the transition.

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