WAEC - Economics (2024 - No. 12)
The diagram above shows the demand for milk. Use it to answer questions this question.
If demand for postal services decline as a result of increased use of e-mails, then the two services are in
composite demand.
derived demand.
competitive demand.
complementary demand.
Explanation
C: Since one substitutes the other than the demand between them is referred to as competitive demand.
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