This paper analyses the efficiency of English and Welsh Young Offender Institutions (YOIs) during the period 2007-08 to 2010-11 accounting for the fact that prisons can both promote good behaviour but also generate undesirable outcomes. With these problems in mind, a new non-parametric program...

Adopting a profit-based approach to the estimation of the technical efficiency of South Korean banks, we systematically analyse, within a non-parametric DEA analysis, how the choice of risk management control variable impacts upon such estimates. Using the model of Liu et al. (2010), we examine...