Suppose that a local government, concerned about the externalities associated with gasoline consumption, puts a $12 tax on gasoline purchases. The market for gasoline in the town is shown below. P 18 S/ MSC 16 14 12 10 D 8 6. 4 MSB 2 4 6 8. 10 12 14 16 18 Q What is the DWL that results from the policy? $_ 20

ENGR.ECONOMIC ANALYSIS
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Chapter1: Making Economics Decisions
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**Transcription and Explanation for Educational Website**

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**Scenario:**

Suppose that a local government, concerned about the externalities associated with gasoline consumption, puts a $12 tax on gasoline purchases. The market for gasoline in the town is shown below.

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**Graph Description:**

- The horizontal axis (Q) represents the quantity of gasoline.
- The vertical axis (P) represents the price of gasoline.
- There are three lines plotted on the graph:

  1. **S / MSC (Supply / Marginal Social Cost)**: This upward-sloping line represents the supply curve, taking into account the externalities, hence labeled as the Marginal Social Cost.

  2. **D (Demand)**: This downward-sloping line represents the demand for gasoline.

  3. **MSB (Marginal Social Benefit)**: This is another downward-sloping line, positioned slightly below and parallel to the Demand (D) line, indicating the reduced social benefit when externalities are considered.

- The intersection of the Demand (D) line and the Supply / MSC (S / MSC) line represents the market equilibrium without tax.

- The intersection of the MSB line and the Supply / MSC line shows the socially optimal level of gasoline consumption when accounting for externalities.

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**Tax Impact:**

The government’s imposition of a $12 tax on gasoline would shift the effective supply curve upwards by $12. This results in a higher equilibrium price and a lower equilibrium quantity.

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**Deadweight Loss (DWL):**

- The graph requires the calculation of the Deadweight Loss (DWL) resulting from the $12 tax policy.
- DWL refers to the loss of economic efficiency when the equilibrium outcome is not achievable or not achieved.
- The area of DWL is typically represented as a triangle on the graph formed between the quantities and prices of the socially optimal and taxed equilibriums.

---

**Question:**

What is the DWL that results from the policy? $____

*Note: Further calculations are needed to determine the exact numerical value of DWL.*

--- 

This transcription provides the information and concepts necessary for understanding how externalities and government policies can impact market outcomes and efficiency.
Transcribed Image Text:**Transcription and Explanation for Educational Website** --- **Scenario:** Suppose that a local government, concerned about the externalities associated with gasoline consumption, puts a $12 tax on gasoline purchases. The market for gasoline in the town is shown below. --- **Graph Description:** - The horizontal axis (Q) represents the quantity of gasoline. - The vertical axis (P) represents the price of gasoline. - There are three lines plotted on the graph: 1. **S / MSC (Supply / Marginal Social Cost)**: This upward-sloping line represents the supply curve, taking into account the externalities, hence labeled as the Marginal Social Cost. 2. **D (Demand)**: This downward-sloping line represents the demand for gasoline. 3. **MSB (Marginal Social Benefit)**: This is another downward-sloping line, positioned slightly below and parallel to the Demand (D) line, indicating the reduced social benefit when externalities are considered. - The intersection of the Demand (D) line and the Supply / MSC (S / MSC) line represents the market equilibrium without tax. - The intersection of the MSB line and the Supply / MSC line shows the socially optimal level of gasoline consumption when accounting for externalities. --- **Tax Impact:** The government’s imposition of a $12 tax on gasoline would shift the effective supply curve upwards by $12. This results in a higher equilibrium price and a lower equilibrium quantity. --- **Deadweight Loss (DWL):** - The graph requires the calculation of the Deadweight Loss (DWL) resulting from the $12 tax policy. - DWL refers to the loss of economic efficiency when the equilibrium outcome is not achievable or not achieved. - The area of DWL is typically represented as a triangle on the graph formed between the quantities and prices of the socially optimal and taxed equilibriums. --- **Question:** What is the DWL that results from the policy? $____ *Note: Further calculations are needed to determine the exact numerical value of DWL.* --- This transcription provides the information and concepts necessary for understanding how externalities and government policies can impact market outcomes and efficiency.
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