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  • Author or Editor: A. Diamond x
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Abstract  

A continuous time model using optimal control techniques is presented which implies that a scientist's productivity will eventually decline with age. This implication is at variance withCole's empirical findings1 but is consistent withDiamond's empirical findings.2

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Abstract  

Scientific productivity is constant as a scientist ages according to recent studies relying mainly on quantity measures of productivity. An economic model of the life-cycle productivity of scientists is presented which implies that the number of citations made to a scientist's previous work will decline with age. The implication could be consistent with the finding of constant quantity output with age if the decline in quality (as measured by number of citations per article) is large enough.

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Abstract  

This note presents evidence for the surprising conclusion that a citation to a multiple-authored article is worth more to its author than a citation to a single-authored article.

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