At number 9 of the magazine «Social Educational Project of Improving Knowledge in Economics (SEPIKE)» for 2015
published scientific articles vice-rector for scientific work of PEI WEI "Baltic Humanitarian Institute," Professor Romanenko Igor Vladimirovich entitled «Study of intellectual connections between economic concepts», in which the author of the theory of matrix modeling of economic efficiency, the example of DuPont model illustrates the methodology of verification of economic theories .