Chapter 3: Q.31 (page 78)
What is consumer surplus? How is it illustrated on a demand and supply diagram?
Short Answer
The difference between what people would have been willing to pay and what they actually paid.
Chapter 3: Q.31 (page 78)
What is consumer surplus? How is it illustrated on a demand and supply diagram?
The difference between what people would have been willing to pay and what they actually paid.
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Get started for freeThe computer market in recent years has seen many more computers sell at much lower prices. What shift in demand or supply is most likely to explain this outcome? Sketch a demand and supply diagram and explain your reasoning for each.
a. A rise in demand
b. A fall in demand
c. A rise in supply
d. A fall in supply
What is the difference between the demand and the quantity demanded of a product, say milk? Explain in words and show the difference on a graph with a demand curve for milk.
Table 3.8 shows the information on the demand and supply for bicycles, where the quantities of bicycles are measured in thousands.
a. What is the quantity demanded and the quantity supplied at a price of \(210?
b. At what price is the quantity supplied equal to 48,000?
c. Graph the demand and supply curve for bicycles. How can you determine the equilibrium price and quantity from the graph? How can you determine the equilibrium price and quantity from the table? What are the equilibrium price and equilibrium quantity?
d. If the price was \)120, what would the quantities demanded and supplied be? Would a shortage or surplus exist? If so, how large would the shortage or surplus be?
Let's think about the market for air travel. From August 2014 to January 2015, the price of jet fuel increased roughly 47%. Using the four-step analysis, how do you think this fuel price increase affected the equilibrium price and quantity of air travel?
Why do economists use the ceteris paribus assumption?
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