Chapter 3: Q.17 (page 78)
How can you locate the equilibrium point on a
demand and supply graph?
Short Answer
The point where demand curve and supply curve intersect each other considered as equilibrium.
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Chapter 3: Q.17 (page 78)
How can you locate the equilibrium point on a
demand and supply graph?
The point where demand curve and supply curve intersect each other considered as equilibrium.
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If a price floor benefits producers, why does a price floor reduce social surplus?
What does a downward-sloping demand curve mean about how buyers in a market will react to a higher price?
A low-income country decides to set a price ceiling on bread so it can make sure that bread is affordable to the poor. Table 3.11 provides the conditions of demand and supply. What are the equilibrium price and equilibrium quantity before the price ceiling? What will be the excess demand or the shortage (that is, quantity demanded minus quantity supplied) be if the price ceiling is set at ? At ? At ?
| Price | Qd | Qs |
|---|---|---|
| \)1.60 | 9,000 | 5,000 |
| \(2.00 | 8,500 | 5,500 |
| \)2.40 | 8,000 | 6,400 |
| \(2.80 | 7,500 | 7,500 |
| \)3.20 | 7,000 | 9,000 |
| \(3.60 | 6,500 | 11,000 |
| \)4.00 | 6,000 | 15,000 |
In an analysis of the market for paint, an economist discovers the facts listed below. State whether each of these changes will affect supply or demand, and in what direction.
a. There have recently been some important cost-saving inventions in the technology for making paint.
b. Paint is lasting longer, so that property owners need not repaint as often.
c. Because of severe hailstorms, many people need to repaint now.
d. The hailstorms damaged several factories that make paint, forcing them to close down for several months.
Consider the demand for hamburgers. If the price
of a substitute good (for example, hot dogs) increases and the price of a complement good (for example, hamburger buns) increases, can you tell for sure what will happen to the demand for hamburgers? Why or why not? Illustrate your answer with a graph.
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