A neural fuzzy system was developed to estimate sovereign debt service capacity. This system performed at the comparable level as Probit, a common statistical method. Its performance compared favorably with a system developed using neural networks alone.
Hwang, Mark; Liu, Weiping; and Lin, Jerry, "Assessing Sovereign Debt Service Capacity: A Neural Fuzzy System Approach" (1998). AMCIS 1998 Proceedings. 58.