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Uni Köln > WiSo-Fakultät > Seminar für Wirtschafts- und Sozialstatistik > Institut > LS Mosler > Prof. Mosler > Publikationen
Publikationen von Univ.-Prof. Dr. Karl Mosler |
Abstract: Inequality Indices and the Starshaped Principle of Transfers (Karl Mosler and Pietro Muliere) |
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The evaluation of income distributions is usually based on the Pigou-Dalton
(PD) principle which says that a transfer from any people to people who
have less decreases economic inequality, i.e., increases the social evaluation
index. We introduce two weaker principles of transfers which refer to a
parameter 
. With the new principles, only those PD transfers increase the social
evaluation index which take from the class of incomes above
and give to the class below
. The relative positions of individuals remain unchanged, and either no
individual may cross the line
(principle of transfers about
) or some may do who have been situated next to it (starshaped principle
of transfers at
).
may be a given constant, a function of mean income, or a quantile of the
income distribution. The classes of indices which are consistent with these
transfers are completely characterized, and examples are given. |
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Keywords: Inequality measurement, relative concentration, economic disparity, Pigou-Dalton transfers, starshaped functions. |
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