And not greedy trial lawyers, surprisingly. 

“The psychology of the industry is that, if you are first, the price should be high,” [Elan CEO] Martin tells The Financial Times. “The economic structure is unsustainable. The tension will grow and something has to give.”

Source: Pharmalot » What Did He Say? Elan CEO: Lower Prices

Of course if you're first to market, your prices are going to be high.  It's just refreshing to read a CEO admit that openly and not claim it's because of the tort system.