Retraction of Predatory publishing in Scopus: evidence on cross-country differences lacks justification

Giovanni Abramo, Isidro F. Aguillo, Dag W. Aksnes, Kevin W. Boyack, Quentin L. Burrell, Juan Miguel Campanario, Zaida Chinchilla-Rodríguez, Rodrigo Costas, Ciriaco Andrea D'Angelo, Anne-Wil Harzing, Hamid R. Jamali, Vincent Larivière, Loet Leydesdorff, Marc Luwel, Ben Martin, Philipp Mayr, Katherine W. McCain, Isabella Peters, Ismael Ràfols, Nicolás Robinson-García et al. (7 additional authors not shown)