淡江大學機構典藏:Item 987654321/96590
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    题名: Explore the new relationship between patents and market value: A panel smooth transition regression (PSTR) approach
    作者: Chen, Yu-Shan;Shih, Chun-Yu;Chang, Ching-Hsun
    贡献者: 淡江大學企業管理學系
    关键词: Patent analysis;Patent citations;Patent counts;Market value;HHI of patents;Panel smooth transition regression (PSTR)
    日期: 2013-08-28
    上传时间: 2014-03-11 11:21:19 (UTC+8)
    出版者: Budapest: Akademiai Kiado Rt.
    摘要: This paper is the first research applying the new approach, panel smooth transition regression (PSTR) model, in the field of patent analysis. This study uses PSTR model to verify whether there is a single threshold effect of Herfindahl–Hirschman Index of patents (HHI of patents) on the relationship between patents and market value in the American pharmaceutical industry. The results demonstrate that HHI of patents moderates the relationship between market value and patent performance, patent counts/assets and patent citations/assets. When HHI of patents is less than or equal to the threshold value, 0.3220, the positive relationship between patent performance and market value is lower. Once HHI of patents is more than the threshold value, 0.3220, the positive relationship between patent performance and market value is higher. This study points out that the second regime is optimal because the extent of the positive relationship between patent performance and market value is higher.
    關聯: Scientometrics 98(2), pp.1145-1159
    DOI: 10.1007/s11192-013-1110-9
    显示于类别:[企業管理學系暨研究所] 期刊論文

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