This note describes a new database on innovative start-ups and companies, called Crunchbase, with a focus on its potential for economic and managerial research. Crunchbase is rapidly being discovered by scholars from different fields. It has notably already informed studies on specific sectors...

The article investigates the allocation of collaborative efforts among core developers (maintainers) of open-source software by analyzing on-line development traces (logs) for a set of 10 large projects. Specifically, we investigate whether the division of labor within open-source projects is...

In this paper, we inquire about some of the ways in which the community around Simple Wikipedia—an offspring of Wikipedia, the notorious free online encyclopedia—manages the online collaborative production of reliable knowledge. We focus on how it keeps its collection of articles...