The impacts of patents and R&D spikes on firm performance: Evidence from US biopharmaceutical companies
碩士 === 元智大學 === 財務金融暨會計碩士班(會計學程) === 105 === Based on a sample of 789 firm-year observations of US biopharmaceutical companies between 2011 and 2015, this study investigates how patents, research and development (R&D) spikes affect business efficiency. Firstly, the dynamic data envelopment analy...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | en_US |
| Published: |
2017
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| Online Access: | http://ndltd.ncl.edu.tw/handle/35743615391744669078 |