“…Cross-sectoral studies mainly cover regulatory agencies in the areas of: food safety, telecommunications, electricity, postal services, pharmaceuticals, financial markets, and general competition (Gilardi, 2002;Thatcher, 2002;Levi-Faur and Jordana, 2006;Maggetti, 2007;Mediano, 2018). There are also studies that use large databases to compare various agencies from numerous sectors, without clear distinction of agency type or activity (Taratoot and Nixon, 2011;van Thiel and Yesilkagit, 2011;Bach, 2014;;Bertelli, 2016;Overman and van Thiel, 2016;Bersch et al, 2017). In turn, cross-national studies mainly cover Western Europe (Gilardi, 2002;Thatcher, 2002;Maggetti, 2007;Bach, 2014;Font, 2015;Overman and van Thiel, 2016;Eckert, 2017).…”