1. An indifference curve is defined as a set of bundles that a consumer with a given income can afford, and among which she or he is indifferent. 2. More is preferred to less means that if the total ...

The first section of this paper deals with the properties any demand system should have if it is derived from any utility function. We find that the utility function under consideration could not be ...

The present work takes place in the framework of a non-expected utility model under risk: the RDEU theory (Rank Dependent Expected Utility, first initiated by Quiggin under the denomination of ...