DANCELLI, Livia. On a method of estimating the expenditure elasticity from concentration curves. Statistica, [S. l.], v. 47, n. 3, p. 403–425, 1987. DOI: 10.6092/issn.1973-2201/750. Disponível em: https://rivista-statistica.unibo.it/article/view/750. Acesso em: 12 dec. 2024.