Exploring the quality of environmental technology in Europe: evidence from patent citations

@article{Acosta2008ExploringTQ,
  title={Exploring the quality of environmental technology in Europe: evidence from patent citations},
  author={Manuel Acosta and Daniel Coronado and Ana Fern{\'a}ndez},
  journal={Scientometrics},
  year={2008},
  volume={80},
  pages={131-152}
}
In this paper we carry out an empirical analysis to address some questions concerning the production and quality of technology in environmental sectors. The methodology involves patents as a measure of the generation of new knowledge, and patent citations as a proxy for the quality of a technological invention. The sample contains more than 12,000 environmental European patents from firms and government institutions from 1998 to 2004. From our econometric analysis, we found that environmental… CONTINUE READING

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