Wang, Ning; Hagedoorn, John - In: Research Policy 43 (2014) 8, pp. 1275-1285
pharmaceutical industry during 1986–2000. Our empirical analysis, using both a multiplicative distributed lag model and a dynamic … the multiplicative distributed lag model, which suggests a potential long-run effect of internal R&D investments on firm … patenting. Finally, the results from the dynamic linear feedback model coincide with those from the multiplicative distributed …
