Carayannis, Elias G.; Campbell, David F. J.; Rehman, … - In: Journal of innovation and entrepreneurship : JIE 5 (2016) 17, pp. 1-24
research on innovation. Based on original research about the European Union, also the concept of a multi-level hierarchy … promises conceptual opportunities. Further integrating systems theory, we can speak of multi-level systems of knowledge … (following different levels of aggregation) and multi-level systems of innovation (also following different levels of aggregation …