Syau, Yu-Ru; Hsieh, Hai-Teh; Lee, E Stanley - In: Review of Quantitative Finance and Accounting 17 (2001) 4, pp. 351-60
Most of the parameters used to describe the credit rating are in linguistic terms, which are vague and difficult to put into precise numerical values. Fuzzy set theory, which was developed to handle this kind of vagueness, is used to represent and to aggregate the various linguistic data usually...