Tsiritakis, Emmanuel - In: SPOUDAI - Journal of Economics and Business 67 (2017) 2, pp. 3-25
impact of efficiency, as well as concentration, on banking competition measured by the Net Interest Margin (NIM), controlling … the level of competitiveness and efficiency. We estimate X-inefficiency for a sample of banks operating in the European … Union using the stochastic frontier approach. We relate efficiency levels to market competitiveness employing Panzar & Rosse …