“…In order to do this, researchers have analysed different variables and used different methodologies and approaches. Some of the variables that have been considered in the literature are the professional, business and political profile of the directors, presidents and boards of directors of the regional entities (López Cepeda, 2012), the input-output ratio necessary to achieve production efficiency (Campos & Velasco, 2013;Artero et al, 2015), the influence of the management model (classic or outsourced) used by the channel on the economic performance obtained (Fernández Alonso, 2002;Cuesta, 2011;López Vidales et al, 2012;Orive et al, 2016) and the effects that regional public policies have on the activity of regional broadcasters (Miguel de Bustos & Casado, 2012;Marzal et al, 2015;Casado et al, 2016).…”