| Article ID: | iaor20041479 |
| Country: | China |
| Volume: | 22 |
| Issue: | 9 |
| Start Page Number: | 132 |
| End Page Number: | 136 |
| Publication Date: | Jan 2002 |
| Journal: | Systems Engineering Theory & Practice |
| Authors: | Luo Bencheng, Yuan Kui, Sui Ling, Ma Xiaojun |
The paper presents some basic principles of DGR (degree of grey relationship), which have been widely used in investment decision-making. Merging the fuzzy theory, a novel model for investment decision is developed. Through comparison and analysis, it proves to be an effective model for uncertainty information system.