“…Many studies analysed the relationship between the capital regulation and the efficiency of bank (for example Aniunas et al, 2017;Balcerzak et al, 2017;Bhasin, 2016;Bobriková & Harčariková, 2017;Duhnea et al, 2017;Gavurova et al, 2017;Kozubíková et al, 2015Kozubíková et al, , 2017Ohanyan & Androniceanu, 2017;Popovic & Paunovic, 2018;Xu et al, 2018). Almost all of the previous studies supposed that the capital regulation and the efficiency of bank have a positive relationship (Angkinand, 2009;Apătăchioae, 2015;Fiordelisi et al, 2011;Barth et al, 2013;Gombola et al, 2016;Lee et al, 2013;Manlagnit, 2015;Pessarossi & Weill, 2015).…”