the Shephard or directional distance function to derive the shadow price, which can be further calculated by parametric or …

This paper employs directional distance function to evaluate the technical efficiency of twenty major Chinese airports …

directional distance function. The proposed model emphasizes finding the “direction” for productivity improvement rather than … guide for determining direction in the directional distance function. …

distance function models, we incorporate on the measurement of countries’ environmental performance the effect of their public …

distance function with respect to a time trend and referred to as the Divisia–Luenberger productivity index. We also … indexes–the radial-output-distance-function-based Feng and Serletis (2010) productivity index–using aggregate data on 15 OECD …

distance function is used to construct adjusted Malmquist-Luenberger productivity indexes which simultaneously account for the …

-complements, distance function. JEL classification codes: H2 Acknowledgements: The initial work for this article has been made … , which is defined as ()( ()() ) ,, ,, ij ij ij DuDu DuD u ρ ≡ cc cc ,ij FC∈ where is the distance function (Deaton … constant, i.e. if ( )00( ) ij ijρ ≥< ≠. The two concepts are linked since the distance function may be defined from the full …