Suppose that David buys the same number of energy drinks every weekend no matter what happens to the price of the energy drinks. What does this suggest about David's demand for energy drinks?
A) It is elastic.
B) It is perfectly inelastic.
C) It is unit elastic.
D) It is not something that can be characterized without knowing the prices of the energy drinks.

Question

Quizplus · Accepted Answer

If David is buying the same quantity of energy drinks every weekend no matter what the price is, it suggests that his demand for the energy drinks is not responsive to changes in price. This is the definition of perfectly inelastic demand.

Suppose That David Buys the Same Number of Energy Drinks