Using detailed edit-level data over eight years across a large number of articles on Wikipedia, we find evidence for a positive spillover effect in editing activity. Cumulative past contributions, embodied by the current article length, lead to significantly more editing activity, while...

This article deals with the topic of ethics in large-scale online studies on social network sides. ‘Big data’ and large-scale online field studies are a relatively new phenomenon and clear ethical guidelines for social science research are still lacking. In this paper I focus on the ethical...

Governments around the world want to develop their ICT and digital industries. Policymakers thus need a clear sense of the size and characteristics of digital businesses, but this is hard to do with conventional datasets and industry codes. This paper uses innovative ‘big data’ resources to...

Many cultural products have the same nonrival nature as scientific knowledge. They therefore face identical difficulties in creation and dissemination. One traditional view says market failure is endemic: societies tolerate monopolistic inefficiency in intellectual property (IP) protection to...

Can the increasing significance of knowledge-products in national income - the growing weightless economy - influence economic development? Those technologies reduce ''distance'' between consumers and knowledge production. This paper analyzes a model embodying such a reduction. The model shows...