Economic calculation is using market-clearing prices to make economizing decisions about consumption, production, and exchange. Price controls, to the extent that they are enforced, supplant market-clearing prices and therefore, impair economizing. The further price controls extend across the economy, the closer it gets https://libertyclassroom.com/member-login/to eliminating economic calculation altogether.
More on price controls:
https://wiki.mises.org/wiki/Price_controls
