The objective of this paper is primarily methodological. Using a new specification, we reanalyze the data on worldwide … (which postulates an inverse U-shaped relationship between income level and pollution). This new specification avoids using …

memory Gaussian series. We show that even if the long memory structure of the time series is correctly specified, mis-specification …

efficiency scores of Decision Making Units (DMUs) that use several inputs to produce several outputs. Model specification in DEA … many authors, it is obvious that the specification of a model is the key to having reliable efficiency scores. In this ….13 is analyzed in relation to several factors such as sample size, model size, the specification of returns to scale and …

fixed link functions. In this paper we consider a bootstrap specification test that detects nonparametric deviations of the …

, specification tests should precede any analysis. Bierens' specification test is consistent and has optimality properties against …