Journal
RESEARCH POLICY
Volume 36, Issue 7, Pages 1035-1051Publisher
ELSEVIER
DOI: 10.1016/j.respol.2007.03.005
Keywords
research output and impact; productivity over the life cycle; economics of science; Mexico
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This paper uses a unique data set of Mexican researchers to explore the determinants of research output and impact. Our findings confirm a quadratic relationship between age and the number of published papers. However, publishing peaks when researchers are approximately 53 years old, 5 or 10 years later than what prior studies have shown. Overall, the results suggest that age does not have a substantial influence on research output and impact. We also find that reputation matters for the number of citations but not publications. Results also show important heterogeneity across areas of knowledge. Interpretations of other aspects, such as gender, country of PhD, and cohort effect, among others, are also discussed. (C) 2007 Elsevier B.V. All rights reserved.
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