Yes.

A cross elasticity of demand of 1.5 indicates that there is a positive relationship between the sales of

desktop computers and the change in price of laptop computers, implying that they are substitutes.

This

means that when the price of laptop computers falls, sales for desktop computers also fall as consumers

switch over and buy laptop computers.

Thus, the computer company will have to consider how much it's

willing to let desktop computer sales drop to increase sales of laptop computers, and if that would be

profitable