Nishino, Haruhisa; Kakamu, Kazuhiko; Oga, Takashi - In: Journal of Income Distribution 21 (2012) 1, pp. 88-101
We estimate inequality including Gini coefficients using a lognormal parametric model for an investigation of persistent inequality. The asymptotic theory of selected order statistics enables us to construct a linear model based on grouped data. We extend the linear model to a dynamic model in...