“…For instance, research shows that certain types of environmental innovation, such as environmental accounting, environmental trainings, and environmental management systems (EMS), are associated with the further introduction of environmental process innovations in manufacturing firms (Albelda P erez, Correa Ruiz, & Carrasco Fenech, 2007;Arimura, Hibiki, & Johnstone, 2007;Ferreira, Moulang, & Hendro, 2010;Horbach, 2008;Horbach et al, 2012;Rennings, Ziegler, Ankele, & Hoffmann, 2006). Specifically, Rennings et al (2006) and Inoue, Arimura, and Nakano (2013) find that multiple validations of EMAS and ISO 14001 are significant factors affecting the incidence of environmental process innovation and environmental R&D, respectively.…”