Smith Kline introduces Tagamet, the first effective medical treatment for ulcers.

Which of the following circumstances are likely to create early mover


Which of the following circumstances are likely to create early-mover advantages?

a) Maxwell House introduces the first freeze-dried coffee.

b) A consortium of U.S. firms introduces the first high-definition television.

c) Smith Kline introduces Tagamet, the first effective medical treatment for ulcers.

d) Wal-Mart opens a store in Nome, Alaska.