Compute the Atkinson Index. This inequality measure is useful in determining which end of the distribution contributed most to the observed inequality.
a vector containing at least non-negative elements.
n
a vector of frequencies, must be same length as x.
parameter
parameter of the inequality measure (if set to NULL
the default parameter of the respective measure is used).
na.rm
logical. Should missing values be removed? Defaults to FALSE.
Value
the value of the Akinson Index.
References
Cowell, F. A. (2000) Measurement of Inequality in Atkinson, A. B. / Bourguignon, F. (Eds): Handbook of Income Distribution. Amsterdam.
Cowell, F. A. (1995) Measuring Inequality Harvester Wheatshef: Prentice Hall.
Marshall, Olkin (1979) Inequalities: Theory of Majorization and Its
Applications. New York: Academic Press.
See Also
See Herfindahl, Rosenbluth for concentration measures and
ineq() in the package ineq for additional inequality measures