Kovalevsky, Dmitry V. “Introducing Increasing Returns to Scale and Endogenous Technological Progress in the Structural Dynamic Economic Model SDEM-2”. Discontinuity, Nonlinearity, and Complexity 5, no. 1 (March 1, 2016): 1–8. Accessed October 17, 2026. https://lhscientificpublishing.com/index.php/DNC/article/view/1979.