In a market that can be described with supply and demand curves, a price ceiling below the market clearing price:
will raise consumer surplus. will lower consumer surplus. will leave consumer surplus unchanged. may either increase or decrease consumer surplus; the result is uncertain.
In a market that can be described with supply and demand curves, what will a price ceiling below the market-clearing price do to the total of producer and consumer surplus?
Raise it. Lower it. Leave it unchanged. Either increase or decrease it; the result is uncertain.