In addition to providing direct patient care, some hospitals also are used as training grounds for medical students and physicians-in-training (medical residents). Because of these additional responsibilities, total costs are higher in teaching hospitals than their non-teaching counterparts. In...

In response to a question raised by Knox Lovell, we develop a method for estimating directional output distance functions with endogenously determined direction vectors based on exogenous normalization constraints. This is reminiscent of the Russell measure proposed by Färe and Lovell (J Econ...

This paper provides a brief history of the Malmquist productivity index and its decomposition. Theoretical and empirical issues related to the index are discussed along with directions for future research. Copyright Kluwer Academic Publishers 2003

In this paper we contrast the DEA and activity analysis approaches by Charnes, Cooper and Rhodes (1978) and Shephard (1970), respectively. We show that by appropriately normalizing Shephard's output price model the two approaches coincide. Copyright Kluwer Academic Publishers 2002

In this paper we take up the problem of positive, affine data translation within a Data Envelopment Analysis (DEA) framework.

We review nonparametric estimation of efficiency and productivity, by which we mainly mean activity analysis, or data envelopment analysis (DEA). The review covers topics that we hope will be of special interest to those doing research in the realm of agriculture. We also include a brief...