“…According to existent literature, ETR variation may be partially explained and connected to several characteristics of companies such as the shareholder framework (Badertscher et al 2016;Chen et al 2010), the managers' incentives (Rego and Wilson 2012;Armstrong et al, 2011), corporate and government structure (Desai et al, 2007), the characteristics of business (Higgins et al, 2015), the companies' size (Katsikas and Lewis, 2016;Belz et al, 2015;Richardson and Lanis, 2007) and managers' characteristics (Chyz et al, 2013). Nevertheless, few studies have been conducted towards analysing the behaviour of effective tax analysis (Guenther, 2014) and its dependence on nominal rate, which makes the effective tax rate expected to be as high as the nominal tax rate.…”