The stationarity of consumption-income ratios: evidence from South American countries. Economia Aplicada, [S. l.], v. 13, n. 4, p. 463–479, 2009. DOI: 10.1590/S1413-80502009000400006. Disponível em: https://revistas.usp.br/ecoa/article/view/1025.. Acesso em: 19 maio. 2024.