WAEC Economics 2023 Objective — Question 16

Question 16 of 50 from the West African Examinations Council (WAEC) Economics 2023 Objective paper, with the correct answer and a full explanation.

At what point on the total product curve shown below will marginal product be negative?

• A. P
• B. Q
• C. R
• D. SCorrect

Explanation

On the total product curve, marginal product becomes negative once the total product curve starts to fall — this begins at point S.

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