In terms of "perfect" markets, what about eBay? Why do you think that this is (or is not!) a good example?
Do you think monopoly is the major cell phone companies such as Verizon, ATT, Sprint, and Tmobile or classified as Oligopoly.
There is a lot of change that comes with a merger, but for the average consumer, we typically feel the effects of a merger in our monthly bill. Is this merger necessary in our society?