Valentin Zelenyuk. A scale elasticity measure for directional distance function and its dual: Theory and DEA estimation. European Journal of Operational Research, 228(3):592-600, 2013. [doi]
@article{Zelenyuk13,
title = {A scale elasticity measure for directional distance function and its dual: Theory and DEA estimation},
author = {Valentin Zelenyuk},
year = {2013},
doi = {10.1016/j.ejor.2013.01.012},
url = {http://dx.doi.org/10.1016/j.ejor.2013.01.012},
researchr = {https://researchr.org/publication/Zelenyuk13},
cites = {0},
citedby = {0},
journal = {European Journal of Operational Research},
volume = {228},
number = {3},
pages = {592-600},
}