I don't know what the actual economic term is (or if there is one), but what I am referring to is when a loss-running firm undercuts the competition until the c

I don't know what the actual economic term is (or if there is one), but what I am referring to is when a loss-running firm undercuts the competition until the competition no longer exists, and then because they have a monopoly, charges more and/or delivers a worse service than previously.