Opening the box: comparing EU and US scientific output by scientific field

Hugo Horta & Francisco Veloso
Recent reports suggest that, during the 1990s, the EU15 overcame the US as the world largest scientific producing block. In this paper we perform a comprehensive comparative analysis of the evolution of the EU15 and US scientific output and impact throughout the 1990s looking at publications and impact trends by scientific field. Results show that changes of scientific production between the two blocks are associated with a set of scientific fields which grew or declined...
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