Pierre Ouellette, Stephane Vigeant. From partial derivatives of DEA frontiers to marginal products, marginal rates of substitution, and returns to scale.
European Journal of Operational Research, Elsevier, 2016, 253 (3), pp.880--887.
⟨10.1016/j.ejor.2016.02.036⟩.
⟨hal-01533531⟩