JAMB 2024 Economics · Question 18

The following determine the level of consumption EXCEPT

Options

  1. A.level of income
  2. B.the rate of taxes paid
  3. C.savings
  4. D.the political climate

Answer: D. the political climate

Explanation written with AI and checked against the answer key

1. Analyze the question We are asked which option does NOT determine the level of consumption. Look for the factor that has no direct economic link to how much households spend.

2. Explain the concept Consumption is the total spending by households on goods and services. In economics, it depends mainly on:

  • Disposable income: Y_d = Income − Taxes. Higher disposable income means higher consumption. This is the Keynesian consumption function: C = a + bY_d.
  • Taxes: Higher taxes reduce disposable income, which lowers consumption.
  • Savings: Income not consumed is saved, so Y = C + S. The decision to save directly affects how much is left for consumption.
  • Other factors include price levels, interest rates, expectations, wealth, and credit availability.

3. Step-by-step evaluation

  • A. Level of income: This is the main determinant of consumption. ✔ It does determine consumption.
  • B. Rate of taxes paid: Taxes change disposable income, so they affect consumption. ✔ It does determine consumption.
  • C. Savings: Since C = Y − S, savings and consumption are directly linked. A higher propensity to save means a lower level of consumption. ✔ It does determine consumption.
  • D. The political climate: This is not a standard economic determinant of consumption in the syllabus. It may have indirect effects, but it is not a recognized factor. ✘ This is the exception.

4. Answer The correct option is D. the political climate.

5. Exam tip For "EXCEPT" questions, test each option by asking, "Is this a standard textbook determinant?" Remember the link Y = C + S and Y_d = Y − T. Income, taxes, and savings all appear in these relationships, while political climate does not. Eliminate the ones you can connect to the formulas, and the odd one out is your answer.

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