Which of the following would not cause an increase in demand for tennis balls?

Question

Quizplus · Accepted Answer

A decrease in the price of tennis balls would not cause an increase in demand for tennis balls, as it would only result in a movement along the current demand curve. The other options, such as a reduction in the price of tennis racquets, an unusually sunny fall and winter, and an increase in the popularity of tennis, could shift the demand curve to the right, causing an increase in demand for tennis balls.

Which of the Following Would Not Cause an Increase in Demand