Bommier, Antoine; Chassagnon, Arnold; Le Grand, François - In: Journal of Economic Theory 147 (2012) 4, pp. 1614-1641
We consider a formal approach to comparative risk aversion and apply it to intertemporal choice models. This allows us to ask whether standard classes of utility functions, such as those inspired by Kihlstrom and Mirman (1974) [16], Selden (1978) [27], Epstein and Zin (1989) [10] and Quiggin...