Suppose demand and supply are given by Qd = 100 - P and Qs = 2P + 25.
1. What are the equilibrium quantity and price in this market?
2. Determine the quantity demanded, the quantity supplied, and the magnitude of the surplus if a price floor of $ 40 is imposed in this market.
3. Determine the quantity demanded, the quantity supplied, and the magnitude of the shortage if a price ceiling of $ 15 is imposed in this market. Also, determine the full economic price paid by consumers.