A growing body of economic literature is addressing the incentives of the individuals that take part to the Open Source movement. However, empirical analyses focus on individual developers and neglect firms that do business with Open Source software (OSS). During 2002, we conducted a large-scale...

The paper presents a dynamic perspective on the landscape of Free/Libre/Open Source Software (FLOSS) developers' motivations and tries to isolate mechanisms sustaining developers' contribution over time. The first part of the paper uses data gathered by the empirical studies relative to the...