Q: Which formula correctly represents the deadweight loss from a tariff in the U.S. market for pickle brushes?

Deadweight loss = $$\frac{1}{2} \times (Q_{imported, before} - Q_{imported, after}) \times (P_{tariff} - P_{world})$$

Q: Which formula represents the opportunity cost of producing one brush in the U.S. if the U.S. can produce 1 brush or 2 combs?

Opportunity cost = $$\frac{2\ \text{combs}}{1\ \text{brush}}$$

Q: Which formula represents the calculation of consumer surplus in a market?

Consumer surplus = $$\frac{1}{2} \times (Q_{demanded}) \times (P_{max} - P_{market})$$

Question 1

Suppose the world price of a pickle brush is $1 per brush. According to the graph, what will happen to the quantity of pickle brushes demanded and supplied in the U.S. market if the U.S. opens to free trade?

Accepted Answer

Quantity demanded will increase, quantity supplied will decrease.

Question 2

If the U.S. imposes a tariff that raises the price of pickle brushes above the world price, what is the effect on consumer surplus?

Accepted Answer

Consumer surplus decreases.

Question 3

Which formula correctly represents the deadweight loss from a tariff in the U.S. market for pickle brushes?

Accepted Answer

Deadweight loss = $$\frac{1}{2} 	imes (Q_{imported, before} - Q_{imported, after}) 	imes (P_{tariff} - P_{world})$$

Question 4

If the U.S. imposes a tariff, which group benefits the most from this policy?

Accepted Answer

Domestic producers

Question 5

Which of the following best describes the concept of comparative advantage?

Accepted Answer

A country can produce a good at a lower opportunity cost than another country.

Question 6

Given the following opportunity costs: U.S. can produce 1 brush or 2 combs, France can produce 1 brush or 3 combs. Which country has the comparative advantage in producing brushes?

Accepted Answer

U.S.

Question 7

If the U.S. imposes a quota on imports of pickle brushes, what is the likely effect on the price and quantity of pickle brushes in the U.S.?

Accepted Answer

Price increases, quantity decreases.

Question 8

Which area on a supply and demand graph represents the net welfare loss (deadweight loss) from a tariff?

Accepted Answer

The triangles between the new and old quantity of imports, below the demand curve and above the supply curve.

Question 9

Which of the following is NOT a valid argument for restricting trade?

Accepted Answer

Increasing consumer surplus

Question 10

If the U.S. government imposes a tariff of $$2 per brush and the world price is 1$$, what will be the new price in the U.S. market?

Accepted Answer

$$1 + 2 = 3 ($$but the price will be limited by domestic supply and demand)

Question 11

Which formula represents the opportunity cost of producing one brush in the U.S. if the U.S. can produce 1 brush or 2 combs?

Accepted Answer

Opportunity cost = $$\frac{2\ 	ext{combs}}{1\ 	ext{brush}}$$

Question 12

If a tariff is imposed, which of the following is a direct result for the government?

Accepted Answer

Government receives tariff revenue.

Question 13

Which of the following best describes the effect of trade on total production according to the principle of specialization?

Accepted Answer

Total production increases when countries specialize according to comparative advantage.

Question 14

If the U.S. restricts imports of pickle brushes, what happens to producer surplus in the U.S.?

Accepted Answer

Producer surplus increases.

Question 15

Which formula represents the calculation of consumer surplus in a market?

Accepted Answer

Consumer surplus = $$\frac{1}{2} 	imes (Q_{demanded}) 	imes (P_{max} - P_{market})$$

Question 16

Which of the following is a consequence of trade barriers such as tariffs or quotas?

Accepted Answer

Increased deadweight loss

Question 17

If the U.S. specializes in producing brushes and France specializes in producing combs, what is the expected outcome according to the principle of comparative advantage?

Accepted Answer

Both countries will benefit from trade and total output will increase.

Question 18

Which of the following is a real-world example of a trade barrier?

Accepted Answer

A government imposes a tax on imported steel.

Question 19

If the U.S. imposes a tariff, what happens to the quantity of imports?

Accepted Answer

Quantity of imports decreases.

International Trade, Tariffs, and Comparative Advantage: Study Notes for Macroeconomics

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