“…A rapid review of recent literature shows that these researches mainly aim at finding means to improve protected areas efficiency, but in many different ways. Some are oriented toward the definition or analysis of indicators of management efficiency (Addison et al, 2015;Aung et al, 2004;Calado et al, 2016;Cook et al, 2014), or of financial efficiency (Cornejo et al, 2016). Others are more interested in direct management and propose technical tools in order to facilitate manager's work and decision-making (D'Antonio et al, 2013;Del Carmen Sabatini et al, 2007;Kidd et al, 2015;Lin and Li, 2016;Lopez y Royo et al, 2009).…”