JAMB - Economics (1981 - No. 3)
Two goods, X and Y, are said to be complementary when?
A fall in the price of X raises the demand for Y
A fall in the price of X causes a fall in the demand for Y
A fall in the price of X does not affect the demand for Y
A rise in the price of X does not affect the demand for Y
The two goods are competitive.
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