We investigate the relationship between Gini’s mean difference (GMD), the mean absolute deviation, the least absolute deviation and the absolute deviation from a quantile. The latter can all be interpreted as equivalents either to the GMD of a transformed distribution or to a between-group GMD...

The average of periodic growth rates is a downwardly biased estimator of the rate of growth of a country. The higher the variance of the periodical growth rates, the higher the downward bias. The longer the business cycle, the higher the downward bias. In this short paper, we demonstrate these...

The aim of this paper is to point out an inconsistency between the way income tax progressivity is measured and the policy instruments used by the income tax authorities. This inconsistency leads to violation of Feldstein's principle of horizontal equity and causes unintentional reranking among...