yes if you take a particular side in the socialist calculation debate then a centrally-planned economy is isomorphic with “a market”. And yes, if you ignore the Myerson–Satterthwaite theorem (and other impossibility results) then we can sweep aside the fact that most real-world “market” mechanisms do not yield Pareto-optimal allocations in practice :-)
yes if you take a particular side in the socialist calculation debate then a centrally-planned economy is isomorphic with “a market”. And yes, if you ignore the Myerson–Satterthwaite theorem (and other impossibility results) then we can sweep aside the fact that most real-world “market” mechanisms do not yield Pareto-optimal allocations in practice :-)