Bitcoin, a speculative bubble?Analysis of the parametric stability oftime series for the period 2009-2018. Revista Eseconomía, [S. l.], v. 14, n. 51, p. 45–60, 2019. DOI: 10.29201/rkd2hp35. Disponível em: https://revistaeseconomia.mx/index.php/ESE/article/view/119. Acesso em: 1 apr. 2026.