“…In the last 10 years, studies in the field of banking models (Brunnermeier et al, 2012;Kido, 2016;Köhler, 2014aKöhler, , 2014bHe & Niu, 2018;Hu & Gong, 2018;Tran et al, 2020), especially in the area of income-generating activity (Brunnermeier et al, 2012;Ghosh, 2020;Köhler 2014aKöhler , 2014bTran et al, 2020) have received increasing attention. The banks diversify their revenues into non-interestincome-generating activities due to the high policy uncertainty environment (Baker et al, 2016;Tran et al, 2020), crisis effects (Adrian & Shin, 2010;Brighi & Venturelli, 2016;Köhler, 2014aKöhler, , 2014bOrtolano & Angelini, 2020;Vukovic et al, 2020Vukovic et al, , 2021Williams, 2016), idiosyncratic risk (Chen et al, 2017;DeYoung & Torna, 2013;Engle et al, 2014), low and negative interest rates (Jobst & Huidan, 2016;Lopez & Spiegel, 2018;Vukovic & Prosin, 2018;Vukovic et al, 2019), complex banking activities and the new strategies (Rajan et al, 2000) and new products, services and technological innovations (Goddard et al, 2008;Lepetit, et al, 2008).…”