Job-Market signaling is ranked high among the explanations why in- dividuals engage voluntarily in OSS projects. If true, signaling implies the existence of a wage premium for OSS engagement. However, due to a lack of data this issue has not been tested previously. Based on a novel data set...

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...