Formal disquisitions on disposable income. Economía y Sociedad, [S. l.], v. 26, n. 60, p. 1–14, 2021. DOI: 10.15359/eys.26-60.3. Disponível em: https://www.revistas.una.ac.cr/index.php/economia/article/view/16390.. Acesso em: 27 apr. 2025.