Attempts |:|:|:| Keep the Highest l' 1 3. Effects of rent control Rent controls force landlords to price apartments below the equilibrium price level. An immediate effect is a shortage (excess demand) of apartments, because the quantity of apartments demanded is greater than the quantity supplied at the regulated price. when cities prevent landlords from charging market rents, which of the following are common long-run outcomes? Check all rst apply. Black markets develop. Nonprioe methods of rationing emerge. Landlords eam lower profits from renting housing units: but the rent charged has no effect on either the quantity or nality.r of rental units. The quantity of available rental housing units falls. Continue without saving