The purpose of this paper is to evaluate the performance of a sample of sixty-two precious metal mutual funds by applying a two-stage procedure. In the first stage, data envelopment analysis (DEA) is used to measure the relative efficiency of funds. In the second stage, a Tobit model is employed...

This paper presents a Data Envelopment Analysis (DEA) model combined with bootstrapping to assess performance in mining operations. Since DEA-type indicators based on nonparametric production analysis are simply point estimates without any standard error, we provide a methodology to assess the...