Amirteimoori, Alireza; Sahoo, Biresh K.; Mehdizadeh, Saber - In: Financial innovation : FIN 9 (2023) 1, pp. 1-36
In the nonparametric data envelopment analysis literature, scale elasticity is evaluated in two alternative ways: using either the technical efficiency model or the cost efficiency model. This evaluation becomes problematic in several situations, for example (a) when input proportions change in...