00672naa#a2200205#i#450# EN\\bibl\117546 20260320075642.5 2413-046X 20260228b2026####ek#y0engy0150####ca RU THE USE OF MATRIX METHODS AND DUMMY VARIABLES FOR FORECASTING IN ECONOMETRIC MODELS Journal article Moscow Electronic science 2026 10 с. Journal article local Эконометрия. 330.43 Gorshunova Tat'yana Alekseevna Bagautdinov Ayrat Eduardovich Mel'nikov Artemiy Alekseevich Stepanenko Artem Igorevich e-integral.ru