In: Economics
Use the following demand and supply functions:
Demand: Qd= 900 - 60P
Supply: Qs= -200 + 50P
If the price is currently $11, there is a
surplus of 110 units.
shortage of 240 units.
surplus of 350 units.
shortage of 700 units.
The correct answer is (a) surplus of 110 units.
Currently Price = 11 => P = 11
Demand is given by: Qd = 900 - 60P when P = 11
=> Quantity demand (Qd) = 900 - 60*11 = 240
Supply is given by: Qs = -200 + 50P
=> Quantity supplied (Qs) = -200 + 50*11 = 350
When Quantity supplied > Quantity demand then there is a surplus and When Quantity supplied < Quantity demand then there is a shortage.
Here Quantity supplied > Quantity demand Thus there is a surplus.
As, Surplus = Quantity supplied - quantity demand
=> Surplus = 350 - 240 = 110
Thus there is surplus of 110 units If price = 11
Hence, the correct answer is (a) surplus of 110 units.