Quaas, Martin F.; Baumgärtner, Stefan; Drupp, Moritz A.; … - 2019
We characterize intertemporal utility functions over heterogeneous goods that feature (i) a constant elasticity of … the goods. We find that a standard (stationary) intertemporal utility function is consistent with these two properties if … families of standard intertemporal utility functions that feature either (i) or (ii), but not the respective other property …