A method is developed to integrate the efficiency concepts of technical, allocative, and scale inefficiencies (TI, AI, SI) into the variable returns to scale (VRS) frontier approximation in Data Envelopment Analysis (DEA). The proposed weighted DEA (WDEA) approach takes a weighted average of the...

This paper investigates productivity growth as measured by the Malmquist productivity index (MPI) among a sample of 331 Kansas farms between the years 1993 and 2011. The MPI index is decomposed to explore the main sources of productivity growth. Technical change (TC) is found to be the main...

In diesem Beitrag werden zwei Modellansätze zur Integration von Risiko in die Data Envelopment Analyse (DEA) vorgestellt und exemplarisch auf ein balanciertes Panel von 278 unterschiedlich stark spezialisierten Schweinemastbetrieben angewendet. Beide Ansätze bilden das Risiko des...