Suppose that WebMD claims that a protein found in chicken will increase your expected lifespan by 3 years. WebMD's claim vwill cause consumers to demand more chicken at every price. In the short run, firms will respond by

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Chapter1: Making Economics Decisions
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**8. Short-run and long-run effects of a shift in demand**

Suppose that the chicken industry is in long-run equilibrium at a price of $5 per pound of chicken and a quantity of 50 million pounds per year. Suppose that WebMD claims that a protein found in chicken will increase your expected lifespan by 3 years.

WebMD’s claim will cause consumers to demand more ▼ chicken at every price. In the short run, firms will respond by __________________________________________ ▼.
Transcribed Image Text:**8. Short-run and long-run effects of a shift in demand** Suppose that the chicken industry is in long-run equilibrium at a price of $5 per pound of chicken and a quantity of 50 million pounds per year. Suppose that WebMD claims that a protein found in chicken will increase your expected lifespan by 3 years. WebMD’s claim will cause consumers to demand more ▼ chicken at every price. In the short run, firms will respond by __________________________________________ ▼.
### Understanding Supply and Demand Shifts

The graph you see illustrates the short-run effects related to supply and demand. The goal is to understand how these curves can shift in response to external claims, such as those made by WebMD.

**Graph Explanation:**

- **Axes:**
  - The horizontal axis represents Quantity (Millions of pounds).
  - The vertical axis represents Price (Dollars per pound).

- **Curves:**
  - The **Supply** curve is shown in orange, sloping upwards from left to right, indicating that as the price increases, the quantity supplied increases.
  - The initial **Demand** curve, labeled as \(D_1\), is shown in blue. It slopes downwards, indicating that as the price decreases, the quantity demanded increases.
  - The shifted **Demand** curve, labeled as \(D_2\), is also shown in blue. It represents a change in demand due to an external factor.

- **Equilibrium:**
  - The initial equilibrium is indicated by the intersection of the supply curve and the initial demand curve \(D_1\).
  - The black dashed lines at the new equilibrium show price and quantity adjustments as the demand curve shifts to \(D_2\).

**Short-run versus Long-run Adjustments:**

- In the **short run**, market adjustments may occur due to sudden changes in demand, such as those influenced by external claims impacting consumer behavior.

- In the **long run**, some firms may respond by:
  - **Exiting the industry** if they can’t compete with changes.
  - Adjusting output as **chicken populations grow large enough to support more firms**.

This graph exemplifies basic economic principles of supply and demand, emphasizing how external factors can lead to shifts and market responses over time.
Transcribed Image Text:### Understanding Supply and Demand Shifts The graph you see illustrates the short-run effects related to supply and demand. The goal is to understand how these curves can shift in response to external claims, such as those made by WebMD. **Graph Explanation:** - **Axes:** - The horizontal axis represents Quantity (Millions of pounds). - The vertical axis represents Price (Dollars per pound). - **Curves:** - The **Supply** curve is shown in orange, sloping upwards from left to right, indicating that as the price increases, the quantity supplied increases. - The initial **Demand** curve, labeled as \(D_1\), is shown in blue. It slopes downwards, indicating that as the price decreases, the quantity demanded increases. - The shifted **Demand** curve, labeled as \(D_2\), is also shown in blue. It represents a change in demand due to an external factor. - **Equilibrium:** - The initial equilibrium is indicated by the intersection of the supply curve and the initial demand curve \(D_1\). - The black dashed lines at the new equilibrium show price and quantity adjustments as the demand curve shifts to \(D_2\). **Short-run versus Long-run Adjustments:** - In the **short run**, market adjustments may occur due to sudden changes in demand, such as those influenced by external claims impacting consumer behavior. - In the **long run**, some firms may respond by: - **Exiting the industry** if they can’t compete with changes. - Adjusting output as **chicken populations grow large enough to support more firms**. This graph exemplifies basic economic principles of supply and demand, emphasizing how external factors can lead to shifts and market responses over time.
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