00556naa#a2200169#i#450# EN\\bibl\111737 20260320062345.5 2221-3260 20251031b2025####ek#y0engy0150####ca RU Investment Multiplier in the Regional Economy as a Driver of Economic Development Journal article Yaroslavl Yaroslavl State Technical University 2025 11 с. Journal article local Shkiotov Sergey Vladimirovich Metal'nikov Nikita Mihaylovich ystu.editorum.ru