This paper aims to shed light on the role of technological opportunities for green innovation by studying the case of … Green ICT innovation. We test two hypotheses: (1) Firms active in low-opportunity technological areas are less innovative … do so, we construct a firm-level panel data set for the years 1992-2009 combining patent data from the European Patent …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …

We examine the effect of energy prices and technological knowledge on innovation in green energy technologies. In doing …. Our analysis is conducted using patent data from the European Patent Office on a panel of 26 OECD countries over the … results indicate that the existing knowledge stock is a significant driver of green energy innovation for all technologies …

In the last decades, innovation activity has been defined by an increasing complexity and a faster pace of the … underlying technological change. Accordingly, several studies have shown that competitive systems of innovation benefit from … technological synthesis within the broader economy. Using data on patents and patent citations obtained from the PATSTAT …