Two Tales of Plummeting Prices - NYTimes.com

Actual results may vary

"It has become a tradition for company representatives to shrug off a major price cut and say that these types of sales always happen. That was Nokia’s explanation when it halved the Lumia 900’s price soon after release, and AT&T’s explanation for the price cut of the HTC First, the Facebook phone. Neither of those devices were selling well.
Meanwhile, the price of the iPhone 5, one of the best-selling smartphones in the world, hasn’t changed since its release in September."

Two Tales of Plummeting Prices - NYTimes.com