Credit scoring models are very important tools for financial institutions to make credit granting decisions. In the last few decades, many quantitative methods have been used for the development of credit scoring models with focus on maximizing classification accuracy. This paper proposes the...

This paper studies the conditions under which the basic results of the re vealed preference theory can be established on the domain of choice problems which include non-convex feasible sets, the exercice is closely related to the works of Peters and Wakker (1991) and Bossert (1994).