Podinovski, Victor V.; Førsund, Finn R.; Krivonozhko, … - In: European Journal of Operational Research 197 (2009) 1, pp. 149-153
In this paper, we suggest a simple derivation of the formulae for the scale elasticity in the variable returns-to-scale technology as used in data envelopment analysis. Our development is consistent with the existing literature but the proof is much shorter and applies to the general case...