Abstract:This paper evaluates the importance of environmental technologies (ET) in the base pf knowledge of 21 industries by using a new methodology based on analysis of networks. To do that, we consider that industry base of knowledge must consist not only in the addition of the technological competences of the firms, but also in the specific way by which industries combine and develop new knowledge. Inspired in the Patel and Pavitt's (1997) seminal work, we elaborate indicators of centrality and relatedness to build … Show more
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