The Productivity of Science: An International Analysis Using Peer-Reviewed Publication Data
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This report focuses on the determinants of the first type of research output: new knowledge. There are no direct measures of this type of research output, but several proxies have been typically used. The two most important ones that we will apply during the study are (a) publications and (b) citations. The source of these two variables is the Reuters-Thomson ISI(R) National Science Indicators (2008) database on published papers and citations.