My analysis is not scientific at all, but here is what I have learned from participating in 9+ years of forum posting. Practically everyone that lowered prices did not benefit from it. Practically everyone that raised prices were glad they did. Take it FWIW.
BTW, I have never lowered prices and am always the first to raise them.
I would have to agree with this as long as you are still offering a quality product. It's been my experience that most people don't mind paying more for a superior product or service.