"Certain Soviet state enterprises were basically states within states. They controlled what amounted to an entire economic system, and could go on even without

"Certain Soviet state enterprises were basically states within states. They controlled what amounted to an entire economic system, and could go on even without the larger economy." (explanation for slide 25) No, they didn't! The planned economy of Soviet Union also planned an intentional dependency among enterprises over the most of the territory. After the collapse, especially after republics' separation, lots of mammoth industrial compounds got stranded, deprived of much of the previous supply and demand and just rooted or struggled for a while on state support bankrupting it in the end.