The hallmark of central planning is that the more technology advances, the more your economy falls apart due to the impossibility of calculating every detail centrally. Good read on the subject: https://www.amazon.com/Red-Plenty-Francis-Spufford/dp/155597...

There is a fascinating alternate-history book about this: https://www.amazon.com/Red-Plenty-Francis-Spufford/dp/155597...

The Amazon page for Francis Spufford's Red Plenty, http://www.amazon.com/Red-Plenty-Francis-Spufford/dp/1555976... , currently features as 2nd comment one that starts by saying:

"I happened to grew up in Soviet Union and actually met some of the people mentioned in this book ..."

(and goes on to praise the authors accuracy.)