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This paper investigates the relationship between engagement in consulting activities and the research performance of academic scientists. The study relies on a sample of 2678 individual faculty, from five Spanish universities, who have been recipients of publicly funded grants or have been principal investigators in activities contracted by external agents(More)
The paper analyzes how the structure of social networks affects innovation diffusion and competition under different information regimes. Diffusion is modeled as the result of idiosyncratic adoption thresholds, local network effects and information diffusion (broadcasting and demonstration effect from previous adopters). A high social cohesion decreases the(More)
This work provides a deeper account of an increasing phenomenon characterising the EU in recent years, namely software patenting. Although the European patent convention expressively prohibits it, this has not been a major problem for firms and inventors that have seen their applications being granted as well. First of all, a new reliable database on(More)
Practitioners generally assert that collaborations with the Open Source software (OSS) community enable software entrepreneurial ventures to achieve superior innovation performance. Nonetheless, to the best of our knowledge, scholars have never tested this assertion. This paper takes a first step towards filling this gap. First, based on the high-tech(More)
Although FDI have been at the forefront of economic debate since a long time, economists have not yet developed a unified framework for their investigation. In this paper, we put forward the idea that an essential point to analyze FDI concerns their underpinning motives. Motives are at the core of FDI and FDI are only but one of different alternative means(More)
This study aims at empirically investigating whether technology incubators help academic high-tech start-ups to establish collaborations with other organizations, thus increasing the competitiveness of these firms. In doing so, we take into account the specificities of academic high-tech start-ups with respect to their non-academic counterparts. We compare(More)
BACKGROUND Data on the cocaine market appear inconsistent, as they tend to show declining prices vis-a-vis steady or increasing demand and a declining supply. This paper proposes an explanation for this trend by providing evidence of an under-estimation of the supply of cocaine. METHODS We propose a conservative estimate of cocaine production in Colombia(More)