### Searching for different levels of households welfare by the fuzzy methodology

P. Andolina, M. Cuffaro & A. Ficarra
In this paper, the methodology of fuzzy set is used to analyse the italian Households Budgets of 1992. Two fuzzy-cluster methods are used: the first one, for searching those variables (the budgets expenses) more representative of the households welfare level and more connected with their social and demographics characteristics; the second one, for clustering the original data in some homogeneous groups of consumption behavior, The results can be related to those of other studies that...