¿Does the Antitrust Court have the power to not authorize a merger? About the failed merger case of Falabella and D&S

¿Does the Antitrust Court have the power to not authorize a merger? About the failed merger case of Falabella and D&S. Francisco Pfeffer U. Revista Actualidad Jurídica No. 18, Pages 577-591, July 2008. Universidad del Desarrollo.