Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/73172
Authors: 
Vogel, Alexander
Wagner, Joachim
Year of Publication: 
2012
Series/Report no.: 
University of Lüneburg Working Paper Series in Economics 260
Abstract: 
This study uses newly available representative data from German business services firms and a continuous treatment approach based on the generalized propensity score to test for a causal effect of R&D activities (measured by the share of engineers and natural scientists in all employees) on the share of exports in total sales. We find evidence for a positive and statistically significant but small causal effect. This result is in line with the (non-causal) results reported in Vogel and Wagner (2012) based on regression models with and without control for unobserved time-invariant firm characteristics. The bottom line, then, is that R&D activity does matter for success of German business services firms on export markets - but not much.
Subjects: 
innovation
export
business services
Germany
JEL: 
F14
Document Type: 
Working Paper

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