said by skeechan:People in the next Comcast market pay more? Looks to me like that is illegal (predatory pricing) unless Comcast can demonstrate it is actually cheaper to distribute their product in the Google Fiber markets or otherwise is more costly for them to distribute in the other market.
The Robinson-Patman Act only applies if the effect of the discount is to reduce competition. This discount increases competition because it makes Time Warner more competitive against Google. Therefore, the Act does not apply.
There've been cable overbuilders decades before Google got into the game. The law is generally settled on this point. The incumbent is allowed to reduce pricing in response to a new entrant.
Historically, predatory pricing has been the most difficult way to win an antrust case. Just proving that it will hurt Google is not enough -- companies are
supposed to try to drive their competitors out of business. The point of antitrust law is to benefit consumers, not competitors.
To win based on predatory pricing, you have to show that the long-term impact of the discount is worse than the reduced pricing that consumers enjoy. This is a very high bar to meet.