Peer production systems often attract larger communities of paid and unpaid volunteers, who contribute to their respective projects. This chapter examines different underlying motivations that fuel these contributions. It thereby takes a tripartite form and summarizes current literature on 1)...

Existing literature on open source software (OSS) maintains that intrinsic motivation and extrinsic financial rewards have a unidimensionally positive effect on the motivation of individual developers. Based on self-determination theory, which underlies most of these studies, we challenge this...