AP Macroeconomics Unit 1 Concept Practice

Consider a country that can produce only two goods: cars and computers. The country is currently operating on its Production Possibility Curve (PPC). If the country decides to produce more cars, what is the opportunity cost of this decision?

• The additional resources needed to produce more cars.

• The decrease in the production of computers.

• The increase in the production of both cars and computers.

• The total cost of producing cars.

Answer explanation

The opportunity cost of producing more cars is the decrease in the production of computers, as resources are limited and reallocating them to cars means less can be used for computers.

A new technology is introduced that makes the production of both goods more efficient. How would this affect the Production Possibility Curve (PPC) of an economy?

• The PPC would shift inward.

• The PPC would remain unchanged.

• The PPC would shift outward.

• The PPC would become a straight line.

Answer explanation

The introduction of a new technology increases efficiency in production, allowing more of both goods to be produced. This results in an outward shift of the Production Possibility Curve (PPC), indicating greater production capacity.

Assume the market for smartphones is initially in equilibrium. If there is a sudden increase in consumer income and smartphones are a normal good, what is the likely effect on the equilibrium price and quantity of smartphones?

• Equilibrium price will decrease, and equilibrium quantity will increase.

• Equilibrium price will increase, and equilibrium quantity will decrease.

• Equilibrium price and quantity will both increase.

• Equilibrium price and quantity will both decrease.

Answer explanation

An increase in consumer income raises demand for normal goods like smartphones. This shift in demand leads to a higher equilibrium price and quantity, making the correct answer: equilibrium price and quantity will both increase.

A government imposes a price ceiling on rental apartments below the current equilibrium price. What is the most likely outcome in the rental market?

• A surplus of rental apartments.

• A shortage of rental apartments.

• No change in the rental market.

• An increase in the quality of rental apartments.

Answer explanation

A price ceiling set below the equilibrium price leads to a shortage because it makes renting apartments cheaper, increasing demand while discouraging supply. Thus, fewer apartments are available than needed.

If the demand for a product is price elastic, what would be the effect of a price increase on the total revenue of the firm selling the product?

• Total revenue would increase.

• Total revenue would decrease.

• Total revenue would remain unchanged.

• Total revenue would first increase, then decrease.

Answer explanation

If demand is price elastic, a price increase leads to a proportionally larger decrease in quantity demanded. Consequently, total revenue, which is price times quantity, would decrease.

Consider a market where the supply curve is perfectly inelastic. If there is an increase in demand, what will happen to the equilibrium price and quantity?

• Equilibrium price will increase, and equilibrium quantity will remain unchanged.

• Equilibrium price will decrease, and equilibrium quantity will increase.

• Equilibrium price and quantity will both increase.

• Equilibrium price will remain unchanged, and equilibrium quantity will increase.

Answer explanation

In a perfectly inelastic supply, quantity remains constant regardless of price changes. An increase in demand raises the equilibrium price, but the quantity supplied stays the same, leading to the correct answer: equilibrium price will increase, and quantity will remain unchanged.

A country is considering reallocating resources from the production of consumer goods to capital goods. What is the long-term impact of this decision on the country's economic growth?

• Economic growth will decrease.

• Economic growth will remain unchanged.

• Economic growth will increase.

• Economic growth will first decrease, then increase.

Answer explanation

Reallocating resources to capital goods enhances production capacity and efficiency. In the long term, this leads to increased economic growth as the country can produce more goods and services.

If a country is operating inside its Production Possibility Curve (PPC), what does this indicate about the country's resource utilization?

• The country is using all its resources efficiently.

• The country is experiencing economic growth.

• The country is not using all its resources efficiently.

• The country is producing at maximum capacity.

Answer explanation

Operating inside the Production Possibility Curve (PPC) indicates that the country is not using all its resources efficiently, as it could produce more goods and services with better resource allocation.

In the context of opportunity cost, which of the following scenarios best illustrates the concept?

• A student chooses to study for an exam instead of going to a movie.

• A company increases its production of goods without any additional cost.

• A government decides to print more money to stimulate the economy.

• A farmer uses a new type of fertilizer to increase crop yield.

Answer explanation

The scenario of a student choosing to study for an exam instead of going to a movie illustrates opportunity cost, as it highlights the trade-off between two alternatives, where the benefit of the movie is sacrificed for studying.

How would an increase in the price of a substitute good affect the demand for a product?

• Demand for the product would decrease.

• Demand for the product would increase.

• Demand for the product would remain unchanged.

• Demand for the product would first decrease, then increase.

Answer explanation

An increase in the price of a substitute good makes that substitute less attractive, leading consumers to seek alternatives. Consequently, the demand for the product in question would increase as more consumers switch to it.