@data{firm-heter/2012,
author = {Tsionas, Efthymios G. and Kumbhakar, Subal C.},
publisher = {ZBW - Leibniz Informationszentrum Wirtschaft},
title = {firm-heterogeneity-persistent-and-transient-technical-inefficiency-a-generalized-true-randomeffects},
year = {2012},
version = {1},
url = {https://jda-test.zbw.eu/dataset/firm-heterogeneity-persistent-and-transient-technical-inefficiency-a-generalized-true-randomeffects} 
}