Patents and profit rates

Ulrich Kaiser

Economics Letters, 2009, vol. 104, issue 2, pages 79-80

Abstract: This paper finds that patenting activity has a significantly positive effect on profit rates (profits/sales) for the 50%, 25% and 10% most profitable Danish firms while it has a negative impact on the 10% least profitable firms.

Keywords: Profit; rates; Quantile; regression; Unobserved; heterogeneity (search for similar items in EconPapers)
Date: 2009

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Persistent link: http://EconPapers.repec.org/RePEc:eee:ecolet:v:104:y:2009:i:2:p:79-80

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