No they fucking wouldn’t. The USSR was completely failing and was being propped up by using up every resource and relying on old technologies to not break down. The house was slowly deteriorating and the sooner they left that model the sooner they could get on track to a sustainable system.
Unfortunately there was so little left after years of communism that it was pretty hard to kick start a functional economy. Communism just ingrained corruption so deep it is hard to invest there. Then you got a dictator type of government that again is centralizing much of their output and this is what you get. Shit economy with incredible stability.
Pretty much same in any country that has any model like that.