Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/202146
Authors: 
Vezzani, Antonio
Montresor, Sandro
Year of Publication: 
2013
Series/Report no.: 
IPTS Working Papers on Corporate R&D and Innovation 02/2013
Abstract: 
The paper investigates how top R&D investors differ in the production impact of their inputs and in their rate of technical change. We use the EU Industrial R&D Investment Scoreboard and perform a quantile estimation of an augmented Cobb-Douglass production function for a panel of more than 1,000 companies, covering the period 2002-2010. The results for the pooled sample are contrasted with those obtained from the estimates for different groups of economic sectors. Returns to scale are bounded by the initial size of the firm, but to an extent that decreases with the technological intensity of the sector. The output return of knowledge capital is the most important, irrespective of firm size, but in high-tech sectors only. Elsewhere, physical capital is the pivotal factor, although with size variations. The investigated firms appear different also in their technical progress: embodied in mid-high and low/mid-low tech sectors, and disembodied in high-tech sectors.
Subjects: 
production function
R&D
firm and sector heterogeneity
JEL: 
D24
D21
O30
Persistent Identifier of the first edition: 
ISBN: 
978-92-79-30893-2
Document Type: 
Working Paper
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