OYAMADA, Kazuhiko. Love of Variety in Trade Models with Product Differentiation. Journal of Global Economic Analysis, [S. l.], v. 5, n. 2, p. 1–62, 2020. DOI: 10.21642/JGEA.050201AF. Disponível em: http://www.jgea.org/ojs/index.php/jgea/article/view/46. Acesso em: 17 aug. 2025.