As in, at least it's nominal GDP per capita should be on par with that of Poland.
Post-Khrushchev PoD
Post-Khrushchev PoD
Have the Soviets realize early that the planned economy is shit and try to change it, preferably without racing for political reforms? I honestly don't know how that could happen, though.
Belarus' old-fashioned dirigiste economy is notably healthier even without any hydrocarbon production. How did that happen?