Díaz-Hernández, J. J., Martínez-Budría, E., & González, R. M. (2020). Effects of Inefficiency on Marginal Costs, Degree of Economies of Scale and Technical Change: A Theoretical Relationship. Journal of Quantitative Methods for Economics and Business Administration, 29, 190–207. https://doi.org/10.46661/revmetodoscuanteconempresa.2804