Which of the following can lead to a reduction in aggregate demand?

• A. Lower consumer debt levels
• B. Increased government spending
• C. Higher interest rates
• D. Increased foreign investment

Answer: (C)

A reduction in aggregate demand occurs when there is a decrease in the overall level of spending in the economy. Higher interest rates can lead to this reduction because they increase the cost of borrowing. When interest rates are higher, consumers are less likely to take out loans for big purchases such as homes or cars, as well as be less inclined to use credit cards for everyday expenses. Similarly, businesses may cut back on investment spending because higher borrowing costs can lead to reduced profitability or cash flow issues. As a result, overall consumption and investment decline, which directly contributes to a decrease in aggregate demand.

In contrast, lower consumer debt levels typically encourage spending since consumers feel more financially secure to make purchases. Increased government spending generally stimulates aggregate demand by injecting more money into the economy. Finally, increased foreign investment can enhance domestic production capacity and contribute to economic growth, further boosting aggregate demand. Thus, the correct answer highlighting how higher interest rates can reduce aggregate demand is well-supported by economic principles.