In this book the foundations and applicability of the Generalized Fechner-Thurstone Utility Function are laid out. It … that whereas the existence of a fixed preference utility function is not always guaranteed for different demand functions …, there will always exist at least one Generalized Fechner-Thurstone Direct Utility Function. Furthermore, analysis using the …

for a different class of binary relations. Thus we obtain the traditional utility function for continuous preorders and …