a-price-increase-in-smartphones-leads-to-a-decrease-in-the-quantity-demanded-of-

Question

A price increase in smartphones leads to a decrease in the quantity demanded of smartphone apps. What does this suggest about their relationship?

Accepted Answer

Smartphones and smartphone apps are complements.

Answer

Smartphones and smartphone apps are luxury goods.

Answer

Smartphones and smartphone apps are substitutes.

Answer

Smartphones and smartphone apps are unrelated.