It has been argued that users can create innovations and also diffuse them peer-to-peer independent of support or involvement by producers: that “user-only” innovation systems can exist. It is known that users can be incented to innovate via benefits from in-house use. But users’...

Proprietary brands are a major vehicle for producer profits: consumers have been shown willing to pay a considerable "brand premium" for a branded product over an otherwise identical unbranded product. Prior literature has implicitly assumed that only producers develop brands. In this paper, we...