eldorado.tu-dortmund.de/server/api/core/bitstreams/ed86f36d-006c-4d2a-811b-f9d17e325734/content
awarding of R&D contracts to
third parties (external R&D), acquisition of machinery, facilities and software to realize
innovation projects, acquisition of other external knowledge (e.g. patents, unpatented [...] , J. and Xu, Y. (2013). Ebalance: A Stata Package for Entropy Balancing.
Journal of Statistical Software, 54 (7).
Hall, B. H. (2002). The Financing of Research and Development. Oxford Review of
Economic …