Basic Economic Concepts
Which of the following best describes the fundamental problem of economics?
A) Having unlimited resources to satisfy limited wants.
B) Having limited resources to satisfy unlimited wants.
C) Achieving perfect equality in the distribution of resources.
D) Eliminating the need for trade between countries.
Suppose you have $20. You can either buy a book or a video game. If you buy the book, what is the opportunity cost?
A) $20.
B) The enjoyment you receive from the book.
C) The video game you could have purchased.
D) Nothing, because you are getting something in return.
What does the Production Possibilities Curve (PPC) primarily illustrate?
A) The ideal distribution of income in an economy.
B) The maximum combinations of goods and services an economy can produce with full resource utilization.
C) The current level of unemployment in an economy.
D) The effects of inflation on economic growth.
Country A can produce either 100 cars or 150 bushels of wheat with its resources. Country B can produce either 75 cars or 50 bushels of wheat. If both countries are producing at full potential, which country has a comparative advantage in producing cars?
A) Country A, because it can produce more cars than Country B.
B) Country B, because it can produce cars at a lower opportunity cost.
C) Country A, because it can produce cars at a lower opportunity cost.
D) Neither country has a comparative advantage in producing cars.
Country X can produce 20 units of steel or 30 units of textiles. Country Y can produce 10 units of steel or 20 units of textiles. What are the potential gains from trade if each country specializes in the product where they have a comparative advantage?
A) Country X specializes in textiles, Country Y in steel; gains from trade are impossible.
B) Country X specializes in steel, Country Y in textiles; gains from trade are impossible.
C) Country X specializes in textiles, Country Y in steel; both countries can consume beyond their PPC.
D) Country X specializes in steel, Country Y in textiles; both countries can consume beyond their PPC.
If there is an increase in both the supply and demand for a product, what will happen to the equilibrium quantity?
A) Equilibrium quantity will increase.
B) Equilibrium quantity will decrease.
C) Equilibrium quantity will remain the same.
D) Equilibrium quantity is unpredictable.
What does opportunity cost represent?
A) The monetary price of a good or service.
B) The value of the next best alternative foregone when making a choice.
C) The cost of all resources used in producing a good.
D) The benefit gained from making a particular choice.

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According to the law of supply, what happens to the quantity supplied of a good when its price increases?
A) The quantity supplied decreases.
B) The quantity supplied increases.
C) The quantity supplied remains the same.
D) The quantity demanded increases.
Suppose there's a simultaneous increase in the demand for electric cars due to rising gas prices and a decrease in the supply of electric cars due to a shortage of batteries. What is the likely effect on the equilibrium price and quantity of electric cars?
A) Equilibrium price will increase, and equilibrium quantity will increase.
B) Equilibrium price will decrease, and equilibrium quantity will decrease.
C) Equilibrium price will increase, and the effect on equilibrium quantity is ambiguous.
D) Equilibrium price will decrease, and the effect on equilibrium quantity is ambiguous.
How would the Production Possibilities Curve (PPC) likely shift if there's a significant technological improvement in the production of all goods?
A) The PPC would shift inward, indicating decreased production capacity.
B) The PPC would shift outward, indicating increased production capacity.
C) The PPC would remain unchanged, as technology doesn't affect production.
D) The PPC would rotate along one axis, favoring the good with the technological improvement.