“…In our review, 45 papers refer to complexity of the internal organization , also referred to as ‘firm complexity’, ‘client complexity’, ‘business complexity’, or ‘operating complexity’ (Ika & Ghazali, ; Pridgen & Wang, ; Sun, Wei & Xu, ; Bradbury & Redmayne, ; Khlif & Samaha, ). This category of complexity was used in many recent empirical studies, but is defined in largely numerical and static terms (e.g., the number of subsidiaries, the number of business segments and the number of locations).…”