KTH/CESIS Working Paper Series in Economics and Institutions of Innovation
The Impact of R&D Activities on Exports of German Business Services Enterprises: First evidence from a continuous treatment approach.
() and Joachim Wagner
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.
Keywords: Innovation; export; business services; Germany; (follow links to similar papers)
JEL-Codes: F14; (follow links to similar papers)
17 pages, December 19, 2012
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