Fractional demand systems are utility derived demands having quantities or budget shares proportional to ag + bf, where g and f are functions of income and a and b vary across goods and are functions ...

They provide three contributions. First, they provide an explicit connection between the form of the utility function and the graphical presentation of the indifference curves, budget constraints, and ...

The assumptions of completeness, two-term consistency, transitivity and continuity are necessary for constructing a utility function over a set of preferences. 4.