The Basics
- Simple definition: Government-imposed minimum (floor) or maximum (ceiling) prices for goods or services.
- Core idea: Setting prices legally – above market (floor) or below market (ceiling) – to achieve social goals.
- Think of it as: The government telling sellers they can’t charge below X (floor) or above Y (ceiling).
What It Actually Means
Price floor: Minimum legal price, set above equilibrium. Creates surplus (excess supply) because quantity supplied exceeds quantity demanded. Examples: minimum wage, agricultural price supports. Price ceiling: Maximum legal price, set below equilibrium. Creates a shortage (excess demand) because the quantity demanded exceeds the quantity supplied. Examples: rent control, price controls on essential goods. Both cause inefficiency – deadweight loss – and often unintended consequences (black markets, quality deterioration).
Example
Pakistan imposes a minimum wage for workers (price floor). If set above the equilibrium, some workers benefit (higher pay), but some lose jobs (employers hire fewer). Rent control in cities (price ceiling) keeps rents low for some but causes shortages, waiting lists, and deteriorating housing quality.
Why It Matters (2026)
Price controls remain popular politically despite economic costs. During inflation, governments consider price ceilings on food and energy, but risk shortages. Minimum wage debates continue. Understanding trade-offs informs better policy.
See also
Minimum Wage • Rent Control • Deadweight Loss • Shortage • Surplus • Black Market
Read more about this with MASEconomics:
Price Determination in Different Market Structures