Using neural network to analyze the influence of the patent performance upon the market value of the US pharmaceutical companies

@article{Chen2009UsingNN,
  title={Using neural network to analyze the influence of the patent performance upon the market value of the US pharmaceutical companies},
  author={Yu-Shan Chen and Ke-Chiun Chang},
  journal={Scientometrics},
  year={2009},
  volume={80},
  pages={637-655}
}
This study applies the artificial neural network technique to explore the influence of quantitative and qualitative patent indicators upon market value of the pharmaceutical companies in US. The results show that Herfindahl-Hirschman Index of patents influences negatively market value of the pharmaceutical companies in US, and their technological independence positively affects their market value. In addition, this study also finds out that patent citations of the American pharmaceutical… CONTINUE READING

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