Purpose – The purpose of this paper is to examine the banking industry’s efficiency using the case of Yemen. Design/methodology/approach – The paper utilises two-stage analysis to evaluate the efficiency adopting Data Envelopment Window Analysis (DEWA) in the first stage for the period...

Purpose – The purpose of this paper is to develop a methodology to study profit vs non‐profit seeking firms usefully to compare corporate performance. It aims to apply the methodology to measure if state vs non‐state firms with different objectives are comparable in performance. If...