Thank you for the opportunity to help you with your question!
Well some times, prices may be affected while other times they may not. During the innovation life cycle, other factors not directly associated with the factors of production may cause variations in prices. On the other hand it may happen during innovation life-cycle stages that prices may be affected due to anticipations whichj may be realized in the process.
I have a small document for you here
Increased competition in the growth stage may lead to falling prices as the company competes with others to gain and keep hold of market share. http://www.innovation-point.com/Innovation_Lifecycles.pdf
Please let me know if you need any clarification. I'm always happy to answer your questions.