This paper develops two cost decompositions based on the multiplicative and additive Russell efficiency measurement framework. While the multiplicative cost decomposition is a straightforward extension of the standard cost decomposition, the decomposition we develop in this paper incorporates...

South Africa‘s financial sector is believed to have weathered the contagion and catastrophic effects of the 2008 world wide financial crisis partly on account of a sound regulatory framework and solid macroeconomic policies. In this paper, we seek to measure efficiency and productivity...