We call behavior inertial if it does not react to the apparent arrival of relevant information. In a context where the precise information content of signals is subjective, we formulate an axiom that captures inertial behavior, and provide a representation that explains such behavior as that of...

We study a decision maker (DM) who has preferences over choice problems, which are sets of payoff-allocations between herself and a passive recipient. An example of such a set is the collection of possible allocations in the classic dictator game. The choice of an allocation from the set is...