VÁZQUEZ, A. A note on the arc elasticity of demand. Estudios Económicos de El Colegio de México, [S. l.], v. 10, n. 2, p. 221–228, 1995. DOI: 10.24201/ee.v10i2.264. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/264. Acesso em: 20 apr. 2024.