In the context of introductory economics, what does the multiplier represent?

• A. The rate at which prices increase over time.
• B. The percentage of income that households save.
• C. The total value of goods and services produced in an economy.
• D. The amount by which a \$1 change in reserves will change the money supply.

Answer: (D)

Verified step by step guidance

1. Understand that the multiplier in economics typically refers to the money multiplier, which explains how an initial change in reserves leads to a larger change in the overall money supply.
2. Recall that banks keep a fraction of deposits as reserves and lend out the rest, which then gets redeposited and lent out again, creating a multiplied effect on the money supply.
3. Express the money multiplier formula as \(\text{Money Multiplier} = \frac{1}{\text{Reserve Ratio}}\), where the reserve ratio is the fraction of deposits banks hold as reserves.
4. Recognize that a \$1 change in reserves can lead to a change in the money supply equal to \(1\) multiplied by the money multiplier, showing the total impact on the economy's money supply.
5. Conclude that the multiplier represents the amount by which a \$1 change in reserves will change the money supply, not the rate of price increase, savings rate, or total production.