The productivity of labour does not depend only... - WAEC Economics 1991 Question
The productivity of labour does not depend only o its own effort and efficiency, but also on I the level of technical knowledge II. the quality of other factors III. racial qualities which allow persons from certain races to have good physique and be very active . Which of the above statements is /are correct?
A
I only
B
I and II only
C
I and III only
D
II and III only
correct option: b
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