Roberts is a great economist - this is not one of his best books. It attempts to examine why the Soviet economy did not work. Roberts goes through a series of proofs about poly centric economic systems to demonstrate that the basic assumptions of Marxist theory were bound to fail. Well, DUH.
I kept coming back to Hayek’s seminal essay, “the Uses of Knowledge in Society” which postulated that centralized systems are inherently unable to achieve the results that markets do. Of course, markets are influenced by things like regulatory frameworks and tax systems - and at least in theory Marxist systems could include more accommodation for market indicators. But the reality is they don’t