CASTAÑEDA SABIDO, A.; MULATO, D. Market structure: Concentration and imports as determinants of industry margins. Estudios Económicos de El Colegio de México, [S. l.], v. 21, n. 2, p. 177–202, 2006. DOI: 10.24201/ee.v21i2.154. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/154. Acesso em: 26 apr. 2024.