Q6. On the production possibilities frontier shown, the opportunity cost to the economy of getting 30 additional toothbrushes by moving from point A to point D is

Background

Topic: Production Possibilities Frontier (PPF) and Opportunity Cost

This question tests your understanding of how to use the PPF to calculate opportunity cost, which is the value of the next best alternative foregone when making a choice.

Key Terms and Formulas

• Production Possibilities Frontier (PPF): A curve showing the maximum attainable combinations of two products that may be produced with available resources and technology.

• Opportunity Cost: The amount of one good that must be given up to produce more of another good.

• Formula:

Step-by-Step Guidance

1. Identify the coordinates for points A and D on the PPF. Point A and D represent different combinations of toasters and toothbrushes.

2. Calculate the change in the number of toothbrushes (Good X) and the change in the number of toasters (Good Y) as you move from point A to point D.

3. Find the difference in the number of toasters (how many fewer toasters are produced) and the difference in the number of toothbrushes (how many more toothbrushes are produced).

4. Set up the opportunity cost formula:

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Q7. On the production possibilities frontier shown, the opportunity cost of getting 15 additional toasters by moving from point D to point C is

Background

Topic: Opportunity Cost on the PPF

This question asks you to calculate the opportunity cost of increasing the production of one good (toasters) by reducing the production of another (toothbrushes) along the PPF.

Key Terms and Formulas

• Opportunity Cost: The value of the next best alternative forgone.

• Formula:

Step-by-Step Guidance

1. Locate points D and C on the PPF and note the quantities of toasters and toothbrushes at each point.

2. Calculate the increase in toasters (Good Y) and the decrease in toothbrushes (Good X) as you move from D to C.

3. Set up the opportunity cost formula:

4. Plug in the values for the change in toothbrushes and toasters, but do not compute the final value yet.

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Q10. According to the graph, the opportunity cost of 1 bushel of wheat for Cliff is

Background

Topic: Comparative Advantage and Opportunity Cost

This question tests your ability to read a PPF and calculate the opportunity cost of producing one good in terms of another for a specific producer.

Key Terms and Formulas

• Opportunity Cost: The amount of one good that must be given up to produce an additional unit of another good.

• Formula:

Step-by-Step Guidance

1. Look at Cliff's PPF and identify the maximum amount of wheat and corn he can produce if he specializes in each.

2. Calculate how much corn Cliff gives up to produce one more bushel of wheat.

3. Set up the opportunity cost formula using Cliff's maximum outputs.

4. Express the opportunity cost as a ratio (bushels of corn per bushel of wheat).

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Q21. According to the graph shown, in this market, equilibrium price and quantity would be

Background

Topic: Market Equilibrium

This question tests your ability to find the equilibrium price and quantity where the supply and demand curves intersect on a graph.

Key Terms and Formulas

• Equilibrium Price: The price at which quantity demanded equals quantity supplied.

• Equilibrium Quantity: The quantity bought and sold at the equilibrium price.

Step-by-Step Guidance

1. Locate the point where the supply (S) and demand (D) curves intersect on the graph.

2. Read the price at this intersection point from the vertical axis (Price).

3. Read the quantity at this intersection point from the horizontal axis (Quantity).

4. Match these values to the answer choices provided.

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Q30. This diagram shows the demand for trips across a bridge that spans the Hudson River. If the price of crossing the bridge is $6.00, consumer surplus is

Background

Topic: Consumer Surplus

This question tests your understanding of how to calculate consumer surplus using a demand curve and a given price.

Key Terms and Formulas

• Consumer Surplus: The difference between what consumers are willing to pay for a good and what they actually pay.

• Formula (for a linear demand curve):

• Base: Number of trips (quantity at the market price)

• Height: Difference between the highest price consumers are willing to pay and the market price

Step-by-Step Guidance

1. Find the quantity of trips demanded at the price of $6.00 by locating the intersection of the price line and the demand curve.

2. Determine the maximum price consumers are willing to pay for the first trip (the vertical intercept of the demand curve).

3. Calculate the "height" of the consumer surplus triangle (maximum willingness to pay minus market price).

4. Calculate the "base" of the triangle (number of trips at $6.00).

5. Set up the consumer surplus formula, but do not compute the final value yet.

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