CORTÉS AGUILAR, A.; PALACIO GARCÍA, L. A.; PARRA CARREÑO, D. F. Partners vs. Strangers: Identification of the Group Membership in the Contribution to Public Goods. Ecos de Economía, [S. l.], v. 18, n. 38, p. 135–155, 2014. DOI: 10.17230/ecos.2014.38.5. Disponível em: https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/2516. Acesso em: 1 may. 2024.