“…It simply suggests that the cost‐efficiency of the three banks is induced and caused by expanding their scales and scopes of operations (Rakshit & Bardhan, 2022a; Rakshit & Bardhan, 2022b; Wanke et al , 2022; Wu & Nahm, 2013). It is obvious that as banks grow in size, they gain cost‐efficiency (Anagnostopoulos et al, 2022; Halkos & Tzeremes, 2007). This translates into declines in average costs, and it realizes the economies of scale and scope (Adusei, 2016; Berger et al , 1993; Milenković et al , 2022; O'Connell, 2022; Rehman et al , 2022; Yin et al , 2013).…”