Menestrel, Marc; Lemaire, Bertrand - In: Theory and Decision 60 (2006) 2, pp. 207-217
In the homogeneous case of one-dimensional objects, we show that any relation that is positive and homothetic can be represented by a ratio-scale and a unique and constant biasing factor. This factor may favor or disfavor the preference for an object over another. In the first case, preferences...