Quaas, Martin F.; Baumgärtner, Stefan; Drupp, Moritz A.; … - 2019
and only if it either is of the intertemporal constant elasticity of substitution (ICES) form, that is, if all …We characterize intertemporal utility functions over heterogeneous goods that feature (i) a constant elasticity of … substitution between goods at each point in time and (ii) a constant intertemporal elasticity of substitution for at least one of …