Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/260016 
Authors: 
Year of Publication: 
2011
Series/Report no.: 
Working Paper No. 2011:27
Publisher: 
Lund University, School of Economics and Management, Department of Economics, Lund
Abstract: 
This paper uses a panel of Swedish manufacturing firms to examine the effects of internal and external R&D on total factor productivity over the period 1991-2004. The findings give some support to the notion of complementarity between internal and external R&D, especially in industries with high R&D intensities, and suggest that the employees' level of education is important for the firm's capabilities to absorb external R&D. However, external R&D is generally found to have a negative effect on productivity and internal R&D is only significant when not including interaction terms between internal R&D and external R&D or human capital.
Subjects: 
Internal R&D
external R&D
productivity
Sweden
JEL: 
D24
L24
O32
Document Type: 
Working Paper

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