Almost 30 years ago, researchers began a systematic study of innovation by end users and user firms. At that time, the phenomenon was generally regarded as a minor oddity. Today, it is clear that innovation by users, generally openly shared, is a very powerful and general phenomenon. It is...

This paper characterizes and explores a corporate strategy in which downstream firms collaborate to develop open substitute designs for proprietary hardware they would otherwise purchase from upstream suppliers. This strategy centrally involves customers themselves distributing design costs over...

In this book I integrate new theory and new research findings into the framework of a “free innovation paradigm.” Free innovation involves innovations developed and given away by consumers as a “free good,” with resulting improvements in social welfare. I explain that free innovation is...