(Figure: Rent Controls in the Market for Apartments in New York City) Use Figure: Rent Controls in the Market for Apartments in New York City. If a rent ceiling is set at $900: Rent (per period) 1200 1100 1000 900 800 D 1.8 1.9 2.02.12.2 Quantity of rental units (per period) rental apartments may be of inefficiently low quality. some landlords may break the law by renting below the mandated price. new apartments will be constructed. O there will be an efficient allocation of rentals