“…In this research, ‘virtual bank’ denotes the bank resulting from the M&A of two existing banks. Despite the numerous studies on bank efficiency and productivity using DEA (Wanke et al ., ; Wu et al, ; Wanke and Barros, ; Liu et al ., ; Wanke and Barros, ; Wanke et al ., ; Azad et al ., ) and other stochastic frontier approaches (Baten and Kamil, ), a systematic study of banks in African countries is still missing (Ikhide, ; Barros et al ., ; Zhao and Murinde, ; Mlambo and Ncube, ; Mwega, ; Devarajan and Kasekende, ; Ghirmay, ; Hussain et al ., ; Nkamleu, ; Poshakwale and Qian, ). Indeed, thus far, no in‐depth analysis of M&As in African banking has been conducted (Alhassan, ; Alhassan and Ohene‐Asare, ; Ohene‐Asare and Asmild, ; Kablan, ; Mlambo and Ncube, ).…”