We describe a statistical method for estimating DEA score confidence intervals, and illustrate it with panel data of large US transit agencies from the years 2002-2006. The method applies statistical panel data analysis (PDA), which provides proven and powerful methodologies for diagnostic...

In Data Envelopment Analyses (DEA) of fossil-fuel electricity generating plants, the most common input measures are installed generator capacity (as a proxy for capital), number of employees (as a proxy for labor), and BTUs of fuel (as a proxy for energy). However, these three inputs cannot be...