ECON 101 Lecture Notes - Lecture 10: Price Ceiling, Rent Regulation, Shortage
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Suppose that the demand and supply schedules for rental apartments in the city of Gotham are as given in the table below.
Monthly Rent | Apartments Demanded | Apartments Supplied |
$2500 | 10,000 | 15,000 |
2000 | 12,500 | 12,500 |
1500 | 15,000 | 10,000 |
1000 | 17,500 | 7500 |
500 | 20,000 | 5000 |
a. What is the market equilibrium rental price per month and the market equilibrium number of apartments demanded and supplied?
b. If the local government can enforce a rent-control law that sets the maximum monthly rent at $1500, will there be a surplus or a shortage? Of how many units? And how many units will actually be rented each month?
c. Suppose that a new government is elected that wants to keep out the poor. It declares that the minimum rent that can be charged is $2500 per month. If the government can enforce that price floor, will there be a surplus or a shortage? Of how many units? And how many units will actually be rented each month?
A recent study found that the demand and supply schedules for flying disks are as follows:
Price | Quantity Demanded | Quantity Supplied |
---|---|---|
(Dollars per disk) | (Millions of disks) | (Millions of disks) |
11 | 1 | 15 |
10 | 2 | 12 |
9 | 4 | 9 |
8 | 6 | 6 |
7 | 8 | 3 |
6 | 10 | 1 |
Complete the first row of the following table by indicating the equilibrium price and the equilibrium quantity of flying disks in the absence of any price controls.
Scenario | Market Price | Market Quantity | Binding or Not Binding |
---|---|---|---|
(Dollars per disk) | (Millions of disks) | ||
No Price Control | N/A | ||
Price Floor | |||
Price Ceiling |
Flying disk manufacturers persuade the government that flying disk production improves scientists' understanding of aerodynamics and thus is important for national security. A concerned Congress votes to impose a price floor $2 above the equilibrium price.
Complete the second row of the previous table by indicating the new price and quantity of flying disks when Congress imposes a price floor $2 above the equilibrium price. Then indicate whether the price floor is binding or not binding.
Irate college students march on Washington and demand a reduction in the price of flying disks. An even more concerned Congress votes to repeal the price floor and impose a price ceiling $3 below the former price floor.
Complete the final row of the previous table by indicating the new price and quantity of flying disks when Congress imposes a price ceiling $3 below the former price floor. Then indicate whether the price ceiling is binding or not binding.