Could Investment Portfolio Ameliorate the Investment Risk and Return Under Covid-19 in the US Pharmaceuticals Industry?
| Autor: | Ziyao Yuan, Haojin Liang, Fuqing He |
|---|---|
| Rok vydání: | 2022 |
| Zdroj: | Proceedings of the 2022 7th International Conference on Financial Innovation and Economic Development (ICFIED 2022). |
| ISSN: | 2352-5428 |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|