Research on Evaluation of Benefits on Fixed Assets Investment Based on Gray Related Degree Model

In view of the diversity of factors affecting benefits on fixed assets investment, this article firstly establishes a set of index system reflecting benefits on fixed assets investment; then sets up gray related degree model in accordance with the fact that evaluation information possesses gray characteristics; lastly the model is used to evaluate the benefits on fixed assets investment of the 31 provinces, municipalities and autonomous regions across the country in the year 2004. The result shows that the gray related degree model adopted can overcome the incompleteness and uncertainty of information to a better degree, revealing the inter-relationship between indexes, thus providing a practical and effective approach to evaluating benefits on fixed assets investment.