A few years back Delta Airlines decided to offer better inflight entertainment than its competitors. It did cost them more money to do so, but it helped capture some of their competitors' customers. Please use this event for the following questions:

Why is the airline industry considered to be an Oligopoly? What is the new tactic being employed by Delta that its competitors are not doing? What might its competitors do because Delta has imposed this new tactic? Why should Delta care why its competitors may respond to its actions? If all of Delta competitors copies Delta's new tactic, what will happen to the overall profit margin for the entire airline industry?