It's not just corruption. Non-market systems fundamentally cannot solve the problem of economic calculation, figuring out prices so tradeoffs can be performed.

It's not just corruption. Non-market systems fundamentally cannot solve the problem of economic calculation, figuring out prices so tradeoffs can be performed. They have to make assumptions about what's wanted and needed, assumptions that cannot help but be drastically wrong, even if everyone involved is pure of any taint of corruption.