Analisi statistica di variabili economiche:un modello generale. Le distribuzioni del capitale umano, della ricchezza, del reddito e del debitoC. Dagum & M. Costa
This paper specifies a general model accounting for income,net and total wealth, dept and human capital distribution and discusses five fondamental properties that models of these variables should fulfill.It is shown that the Lorenz curve and Gini ratio can be obtained as function of the parameters of the general model. Finally the general model and its particular cases are fitted to 1983 U.S. and 1989 Italian data and their resuls are thoroughly analyzed.