%0 Journal Article 
%A Cobacho Tornel, María Belén
%T Marginal productivity and marginal rate of substitution
%D 2012
%U http://hdl.handle.net/10317/3070
%K Productividad marginal
%K Derivada parcial
%K Tasa marginal de sustitución
%K Marginal productivity
%K Partial derivatives
%K Marginal rate of substitution
%~ GOEDOC, SUB GOETTINGEN