Conversely, Ovi et al. (2014) report reported a positive effect of bank market power on revenue diversification for a sample of 153 commercial banks operating in five ASEAN countries. In the same vein, Nguyen et al. (2016) provide evidence that African banks with greater market power, both in lending and deposit markets, generate higher income from non-traditional activities. Recently, Sudrajad and Hübner (2018) foundfind a positive relationship between bank market power and revenue diversification in the context of six AsianASEAN countries during the period 2002-2015.