economic presumption of concave utility rather than Machiavelli's prescript of inflicting all injuries at once. Yet …

Well-being (i.e., satisfaction, happiness) is a latent variable, impossible to observe directly. Hence, questionnaires …

exponential direct utility function, or by an expenditure function which depends on two price indices. A parameter accounts for … be either substitutes or complements according to the size of consumption. -- Negative exponential utility function …

Presently, it is widely accepted that the particular utility function first reported by Wold and Juréen (1953), and …-Juréen (1953) utility function is not well-behaved, and that, as a consequence, it does not satisfy the second-order condition for … is this utility function incapable of generating a Giffen good, but by extension (b) the so-called demand functions …

While many theoretical works, particularly in Family Economics, rely on the Transferable Utility (TU) assumption, its …