i. In a recent update to its operating system, Apple introduced a new feature that allows users to switch between the traditional Macintosh operating system and the Microsoft Windows operating system. Do you think this was a good move in light of what this exercise has told us about network externalities?

B. Now consider the type of network externality described in part A more carefully. Suppose that the aggregate demand function for computers is given by x 5 1AN1/2 2 p2/a.