1. Aggregate expenditure and income The following table shows consumption (C), investment (I), government purchases (G), and net exports (X-IM) in a hypothetical economy for various levels of real GDP (Y). Assume that the price level remains unchanged at all levels of income. All figures are in billions of dollars. Compute total expenditure for each income level, and fill in the last column in the following table. Y C I G X-IM Total Expenditure 500 525 250 150 -200 600 550 250 150 -200 700 575 250 150 -200 800 600 250 150 900 625 250 150 -200 -200 1000 C The following graph shows income (Y) on the horizontal axis and total expenditure (TE) on the vertical axis. The grey line represents a 45-degree (Y = TE) line. Use the blue points (circle symbol) to plot the total expenditure line for this economy at an income of $500 billion, $600 billion, $700 billion, $800 billion, and $900 billion. Note: Plot your points in the order in which you would like them connected. Line segments will connect the points automatically.

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# 1. Aggregate Expenditure and Income

The following table shows consumption (C), investment (I), government purchases (G), and net exports (X - IM) in a hypothetical economy for various levels of real GDP (Y). Assume that the price level remains unchanged at all levels of income. All figures are in billions of dollars.

**Compute total expenditure for each income level, and fill in the last column in the following table.**

| Y   | C   | I   | G   | X - IM | Total Expenditure |
|-----|-----|-----|-----|--------|-------------------|
| 500 | 525 | 250 | 150 | -200   |                   |
| 600 | 550 | 250 | 150 | -200   |                   |
| 700 | 575 | 250 | 150 | -200   |                   |
| 800 | 600 | 250 | 150 | -200   |                   |
| 900 | 625 | 250 | 150 | -200   |                   |

The following graph shows income (Y) on the horizontal axis and total expenditure (TE) on the vertical axis. The grey line represents a 45-degree \(Y = TE\) line.

Use the blue points (circle symbol) to plot the total expenditure line for this economy at an income of $500 billion, $600 billion, $700 billion, $800 billion, and $900 billion.

**Note:** Plot your points in the order in which you would like them connected. Line segments will connect the points automatically.

The graph includes:

- **Axes:** The horizontal axis represents income (Y) in billions of dollars, while the vertical axis represents total expenditure (TE) in billions of dollars.
- **Grey Line:** A 45-degree line indicating \(Y = TE\).
- **Points and Line:** Indicating total expenditure at various income levels, which can be plotted using given data points.
- **Labels:** "TE line" marker and an "Equilibrium GDP" point at the intersection of the plotted line with the 45-degree line.
Transcribed Image Text:# 1. Aggregate Expenditure and Income The following table shows consumption (C), investment (I), government purchases (G), and net exports (X - IM) in a hypothetical economy for various levels of real GDP (Y). Assume that the price level remains unchanged at all levels of income. All figures are in billions of dollars. **Compute total expenditure for each income level, and fill in the last column in the following table.** | Y | C | I | G | X - IM | Total Expenditure | |-----|-----|-----|-----|--------|-------------------| | 500 | 525 | 250 | 150 | -200 | | | 600 | 550 | 250 | 150 | -200 | | | 700 | 575 | 250 | 150 | -200 | | | 800 | 600 | 250 | 150 | -200 | | | 900 | 625 | 250 | 150 | -200 | | The following graph shows income (Y) on the horizontal axis and total expenditure (TE) on the vertical axis. The grey line represents a 45-degree \(Y = TE\) line. Use the blue points (circle symbol) to plot the total expenditure line for this economy at an income of $500 billion, $600 billion, $700 billion, $800 billion, and $900 billion. **Note:** Plot your points in the order in which you would like them connected. Line segments will connect the points automatically. The graph includes: - **Axes:** The horizontal axis represents income (Y) in billions of dollars, while the vertical axis represents total expenditure (TE) in billions of dollars. - **Grey Line:** A 45-degree line indicating \(Y = TE\). - **Points and Line:** Indicating total expenditure at various income levels, which can be plotted using given data points. - **Labels:** "TE line" marker and an "Equilibrium GDP" point at the intersection of the plotted line with the 45-degree line.
**Graph Explanation:**

This image contains a graph depicting the relationship between Real GDP and Real Expenditure. The x-axis represents Real GDP in billions of dollars, ranging from 400 to 1000. The y-axis shows Real Expenditure, also in billions of dollars, ranging from 400 to 1000. A straight line, labeled as the "TE line" (Total Expenditure line), runs diagonally from the bottom left to the top right, indicating a direct relationship between Real GDP and Real Expenditure.

A point marked "Equilibrium GDP" with a plus symbol is intended to be placed where total expenditure equals total income, indicating the equilibrium in the economy.

**Instructions and Notes:**

- **Plot Instructions:** Plot your points in the order in which you would like them connected. Line segments will connect the points automatically. 
- **Use of Black Point:** The black point (plus symbol) is used to indicate the equilibrium in this economy, where total expenditure and income are equal.
- **Drop Lines:** Dashed drop lines will automatically extend to both axes.

**Scenario Analysis:**

- **Current Real GDP:** Suppose the real GDP is currently $500 billion. Assuming the price level remains constant, this would mean that [dropdown needed], which would send a signal to firms to [dropdown needed].
- **Marginal Propensity to Consume (MPC):** The MPC for this economy is [dropdown needed], and the oversimplified multiplier for this economy equals [dropdown needed].
Transcribed Image Text:**Graph Explanation:** This image contains a graph depicting the relationship between Real GDP and Real Expenditure. The x-axis represents Real GDP in billions of dollars, ranging from 400 to 1000. The y-axis shows Real Expenditure, also in billions of dollars, ranging from 400 to 1000. A straight line, labeled as the "TE line" (Total Expenditure line), runs diagonally from the bottom left to the top right, indicating a direct relationship between Real GDP and Real Expenditure. A point marked "Equilibrium GDP" with a plus symbol is intended to be placed where total expenditure equals total income, indicating the equilibrium in the economy. **Instructions and Notes:** - **Plot Instructions:** Plot your points in the order in which you would like them connected. Line segments will connect the points automatically. - **Use of Black Point:** The black point (plus symbol) is used to indicate the equilibrium in this economy, where total expenditure and income are equal. - **Drop Lines:** Dashed drop lines will automatically extend to both axes. **Scenario Analysis:** - **Current Real GDP:** Suppose the real GDP is currently $500 billion. Assuming the price level remains constant, this would mean that [dropdown needed], which would send a signal to firms to [dropdown needed]. - **Marginal Propensity to Consume (MPC):** The MPC for this economy is [dropdown needed], and the oversimplified multiplier for this economy equals [dropdown needed].
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