Behavioral economics has shaken the view that individuals have well-defined, consistent and stable preferences. This … raises a challenge for welfare economics, which takes as a key postulate that individual preferences should be respected. We … partial preferences and that subjective welfare measures do not offer an attractive way out of the impasse. However, their …

in the second part. In particular we deal with situations where labor disutility or preferences for consumption are …

. Sophisticated procrastinators anticipate their mistake when voting, while optimistic and myopic agents have preferences that are …

defining an egalitarian distribution of a constant stream of resources, when preferences are ordinal and non-comparable. We … establish the impossibility of efficiently distributing resources while treating equally agents with same preferences that …, we show how to construct a cardinalization of the preferences that enables well-being comparisons: this allows defining …

. While rational and myopic persons share the same ex post intertemporal preferences, only the rational agents make their … savings decisions according to these preferences. Individuals are also distinguished by their productivity. The social ob …

undersaving, rational prodigality and hyperbolic preferences are often cited but treated separably. In this paper we study those …