Price S1 S2 D2 D1 Quantity In the above graph, suppose equilibrium is at point D. What would cause equilibrium to shift to point B? A decrease in the number of buyers and an increase in resource prices. A decrease in the price of a substitute and an increase in the number of firms. CAn increase in the number of buyers and a decrease in resource prices. An increase in the price of a substitute and a decrease in the number of firms. A decrease in the price of a complement and a decrease in firms's taxes.

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Chapter1: Making Economics Decisions
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**Understanding Shifts in Equilibrium: An Analysis of Supply and Demand**

In the graph provided, the x-axis represents Quantity and the y-axis represents Price. There are two supply curves (S1 and S2) and two demand curves (D1 and D2).

- **Initial Equilibrium:** At the intersection of supply curve S1 and demand curve D1, the equilibrium is at point D.
- **New Equilibrium:** To shift equilibrium to point B, the intersection must now occur between supply curve S2 and demand curve D2.

### Graph Breakdown:

1. **Supply Curves:**
   - **S1:** The initial supply curve.
   - **S2:** The new supply curve which indicates a shift in the supply conditions.

2. **Demand Curves:**
   - **D1:** The initial demand curve.
   - **D2:** The new demand curve which reflects a shift in demand conditions.

### Points of Interest:
- **Point A:** Intersection of D1 and S1.
- **Point B:** Intersection of D2 and S2 (desired new equilibrium).
- **Point C:** Intersection of D2 and S1.
- **Point D:** Original equilibrium point (intersection of D1 and S1).

### Question:
To shift equilibrium from point D to point B, what needs to happen?

A variety of changes in market conditions could influence this shift:

**Options:**

A. **A decrease in the number of buyers and an increase in resource prices.**
   - This would typically shift the demand curve leftward (less demand) and the supply curve leftward (more expensive to supply), not fitting our desired change.

B. **A decrease in the price of a substitute and an increase in the number of firms.**
   - This would generally increase supply and could decrease demand for the product, depending on the substitutes' effect on demand courses.

C. **An increase in the number of buyers and a decrease in resource prices.** (Correct Answer)
   - An increase in buyers shifts the demand curve rightward to D2 (more demand).
   - A decrease in resource prices shifts the supply curve rightward to S2 (cheaper to produce).

D. **An increase in the price of a substitute and a decrease in the number of firms.**
   - This might decrease supply (leftward shift) and increase demand, but not fit the target shift precisely.

E. **A decrease in the
Transcribed Image Text:**Understanding Shifts in Equilibrium: An Analysis of Supply and Demand** In the graph provided, the x-axis represents Quantity and the y-axis represents Price. There are two supply curves (S1 and S2) and two demand curves (D1 and D2). - **Initial Equilibrium:** At the intersection of supply curve S1 and demand curve D1, the equilibrium is at point D. - **New Equilibrium:** To shift equilibrium to point B, the intersection must now occur between supply curve S2 and demand curve D2. ### Graph Breakdown: 1. **Supply Curves:** - **S1:** The initial supply curve. - **S2:** The new supply curve which indicates a shift in the supply conditions. 2. **Demand Curves:** - **D1:** The initial demand curve. - **D2:** The new demand curve which reflects a shift in demand conditions. ### Points of Interest: - **Point A:** Intersection of D1 and S1. - **Point B:** Intersection of D2 and S2 (desired new equilibrium). - **Point C:** Intersection of D2 and S1. - **Point D:** Original equilibrium point (intersection of D1 and S1). ### Question: To shift equilibrium from point D to point B, what needs to happen? A variety of changes in market conditions could influence this shift: **Options:** A. **A decrease in the number of buyers and an increase in resource prices.** - This would typically shift the demand curve leftward (less demand) and the supply curve leftward (more expensive to supply), not fitting our desired change. B. **A decrease in the price of a substitute and an increase in the number of firms.** - This would generally increase supply and could decrease demand for the product, depending on the substitutes' effect on demand courses. C. **An increase in the number of buyers and a decrease in resource prices.** (Correct Answer) - An increase in buyers shifts the demand curve rightward to D2 (more demand). - A decrease in resource prices shifts the supply curve rightward to S2 (cheaper to produce). D. **An increase in the price of a substitute and a decrease in the number of firms.** - This might decrease supply (leftward shift) and increase demand, but not fit the target shift precisely. E. **A decrease in the
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