This paper provides novel empirical evidence on the private value of patents and R&D. We analyze an unbalanced sample of firms from five EU countries - France, Germany, Switzerland, Sweden and the UK in the period 1985-2005. We explore the relationship between firm’s stock market value and...

This paper examines entry and survival in the US software market of a sample of firms based in India, Ireland and Israel. Our investigation focuses on pre-entry technological capabilities, international linkages and home based experience as determinants of the firm entry decision and post-entry...

This paper investigates the skills and the division of labor among participants in collective inventions. Our analysis draws on a large sample of projects registered at Sourceforge.net, the world’s largest incubator of open source software activity. We test the hypothesis that skill variety of...