If your purchases of shoes increase from 9 pairs per year to 11 pairs per year when the price of shirts increases from $8 to $12, for you, shoes and shirts are considered:
A) inferior goods.
B) luxury goods.
C) substitute goods.
D) complementary goods.

Question

Quizplus · Accepted Answer

Shoes and shirts are considered substitute goods because the increase in the price of shirts leads to an increase in the quantity of shoes purchased, indicating that shoes are being bought as an alternative to shirts.

If Your Purchases of Shoes Increase from 9 Pairs Per