Partly true. Stalinist planned economy (aka Socialism in One Country: as opposed to waiting for world revolution) excelled in macro matters, and was particularl

Partly true. Stalinist planned economy (aka Socialism in One Country: as opposed to waiting for world revolution) excelled in macro matters, and was particularly vital to the Soviet war effort and post war rebuilding. However Soviets could never really solve micro matters, like empty supermarket shelves. Gorbachov reforms nominally tried to solve these problems. China is a Soviet Union with NEP minus exporting world revolution.