Gini {GB2}

Computation of the Gini Coefficient for the GB2 Distribution and its Particular Cases.

Description

Computes the Gini coefficient for the GB2 distribution using the function gb2.gini. Computes the Gini coefficient for the Beta Distribution of the Second Kind, Dagum and Singh-Maddala distributions.

Usage

gini.gb2(shape1, shape2, shape3)
gini.b2(shape2, shape3)
gini.dag(shape1, shape2)
gini.sm(shape1, shape3)

Arguments

shape1

numeric; positive parameter.

shape2, shape3

numeric; positive parameters of the Beta distribution.

Value

The Gini coefficient.

Author(s)

Monique Graf

References

Kleiber, C. and Kotz, S. (2003) Statistical Size Distributions in Economics and Actuarial Sciences, chapter 6. Wiley, Ney York.

McDonald, J. B. (1984) Some generalized functions for the size distribution of income. Econometrica, 52, 647–663.

See Also

gb2.gini