Part-worths estimated via regression are replaced by constrained part-worths that are as close to the original part-worths as possible subject to any a priori constraints on the ordering of ...

For example the formula of ethane is C 2 H 6. The ratio of C:H atoms is 2:6. The empirical formula of an alkane is based on the simplest ratio of carbon to hydrogen atoms: the simplest form of the C:H ...

Factor models are mathematical constructs for capturing the joint default of obligors and, in this way, are essential to most portfolio credit risk models. This paper explains the potential flaws of ...