By drawing information from a survey of inventors of 9,017 European patents (PatVal-EU), this paper provides novel and detailed data about the characteristics of the European inventors, the sources of their knowledge, the importance of formal and informal collaborations among researchers and...

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This paper studies the geographical breadth of knowledge spillovers. Previous research suggests that knowledge spillovers benefit from geographical proximity in technologically active and rich regions more than elsewhere. An alternative view explains the geographical breadth of knowledge...

This paper focuses on European small-medium "serial innovators" at the beginning of the 1990s and provides an empirical basis to answer the following questions: who are the upstream specialized small-medium technology producers? How are they distributed across countries? Are there technologies...

This paper explores the complementarity between skills, organizational change and investments in information and communication technology (ICT). Our work contributes to the literature on the effects of ICT by testing the hypothesis of complementarity in a panel of 540 Italian manufacturing firms...

This paper examines empirically the relationship between the internal technological profile and the diversification through strategic alliances of the largest 219 industrial firms world-wide. It explores three related issues. First, the paper shows that firms? internal technological...

By using the PatVal-EU dataset we find that the most important determinant of patent licensing is firm size. Patent breadth, value, protection, and other factors suggested by the literature also have an impact, but not as important. In addition, most of these factors affect the willingness to...

This paper investigates the role of 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 explore the hypothesis that the...

Two opposite models are currently operating in the modern economy, the strong intellectual property rights (IPR) model, and the open source/open science model. They have traditionally been applied to alternative institutional contexts. The strong IPR model has been associated to the business...

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