This paper uses a novel data set of the trade mark activity of UK manufacturing and service sector firms to investigate whether applications for trade marks are suggestive of product innovation, improving the profitability and productivity of firms. Data on both trade (and service) marks sought...

This paper addresses the question of whether both goods and asset market frictions are necessary to explain the failure of consumption risk sharing across countries. I develop a test that uses bilateral import data to identify separately the role of trade costs and asset market frictions. I...

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...

The NewTies project is developing a system in which societies of agents are expected to develop autonomously as a result of individual, population and social learning. These societies are expected to be able to solve the environmental challenges that they are set by acting collectively. The...