Sen (1973 and 1997) presents the Gini coefficient of income inequality in a population as follows. "In any pair … pair-wise comparisons takes us to the Gini coefficient." (This citation is from Sen 1973, p. 8.) Sen's verbal account is … yields a coefficient bounded from above by a number smaller than 1. This creates a difficulty, because the "mission" of a …

Following Sen's (1973) characterization of the Gini coefficient as a ratio between a measure of aggregate income …-based stress ("depression" in Sen's terminology) and aggregate income, we transform the Gini coefficient into a social welfare … function rather than having the Gini coefficient feature as an input in a social welfare function as in Sen (1973 and 1997 …

Following Sen's (1973) characterization of the Gini coefficient as a ratio between a measure of aggregate income …-based stress ("depression" in Sen's terminology) and aggregate income, we transform the Gini coefficient into a social welfare … function rather than having the Gini coefficient feature as an input in a social welfare function as in Sen (1973 and 1997 …

coefficient was very high at the beginning of the twentieth century, fell during the post-war period and has increased …

nonparametric functional-coefficient regression models. The estimation results reveal nonlinearities in the relationships between …