Current open-source/peer-production technologies, such as forums, wikis and blogs, have enabled an unprecedented explosion of global knowledge sharing, but appear to be less successful at enabling collaborative deliberation (i.e. the systematic enumeration, analysis, and selection of solution...

Open source communities are groups of sometimes hundreds if not thousands of individuals with different interests, backgrounds and motives. Many of them are volunteers who are not paid to participate in the communities. Furthermore, many never get to see each other in real life. They meet...

We study an endogenous growth model where a profit-motivated R and D sector coexists with the introduction of free blueprints invented by philanthropists. These goods are priced at marginal cost, contrary to proprietary ones which are produced by a monopoly owned by the inventor. We show that...

Much of today's software relies on programming code shared openly online. Yet, it is unclear why volunteer developers contribute to open-source software (OSS), a public good. We study OSS contributions of some 22,900 developers worldwide on the largest online code repository platform, GitHub,...

Much of today’s software relies on programming code shared openly online. Yet, it is unclear why volunteer developers contribute to open-source software (OSS), a public good. We study OSS contributions of some 22,900 developers worldwide on the largest online code repository platform, GitHub,...