“…Issues short-term forecasting of selected indicators of development of socio-economic systems and selection of the optimal model were considered in scientific works of many foreign and domestic researchers: Jaumotte F., Lall S., Papageorgiu Ch. [6], Jouini T. [7], Lukoseviciute K., Baubliene R., Howard D., Ragulskis M. [13], Demidova L. Pylkin A., Skvortsov S., Skvortsova T. [2], Zaporozhtsev, I., Sereda, A-V. [20], Ibragimova, Z. [5], Kolmakov I., Koltsov А., Domozhakov M. [8], Kolomeiko M. [9] and others [1,[10][11][12][14][15][16][17][18][19].…”