WEBSTER, Thomas J.; SZENBERG, Michael. Analyzing structural change in the secondary market for developing-country debt: a translog approach. Economia Aplicada, São Paulo, Brasil, v. 2, n. 1, p. 65–81, 1998. DOI: 10.11606/1413-8050/ea217748. Disponível em: https://revistas.usp.br/ecoa/article/view/217748.. Acesso em: 6 jun. 2024.