Firms have discovered that open source (OS) communities can be valuable sources of innovation. However, the access for firms to these communities turned to be intricate. One proven way of how firms can enter OS communities is via their personnel (“men on the inside”). Focusing on...

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...

As open source software (OSS) is increasingly used as a key input by firms, understanding its impact on productivity becomes critical. This study measures the firm-level productivity impact of non-pecuniary (free) OSS and finds a positive and significant value-added return for firms that have an...

Drawing on empirical insights from the field of desktop 3D printing, this book elaborates the concept of innovation communities as a pattern of open and distributed innovation. As these communities spur a fruitful exchange of explorative, open source knowledge, they represent a novel mode of...