The purpose of this chapter is to lay the groundwork for a comprehensive theoretical investigation of open platform systems. To do this, we must first recognize that, although there is a strong family resemblance among all platform systems, there are different types of platforms, each with its...

The focus of existing open source software (OSS) research has been on how andwhy individuals and firms add to the commons of public OSS code—that is, on the“giving” side of this open innovation process. In contrast, research on thecorresponding “receiving” side of the innovation...

In this paper, we open up the black box that has been the introduction of open practices into firms’ commercial R&D strategies. Most of the existing research on the phenomenon of open innovation focuses on its interorganizational aspects. In contrast, the effect that the opening of boundaries...