@article {19010,
	title = {Consumption and Risk with hyperbolic discounting},
	journal = {Economics Letters},
	volume = {96},
	year = {2007},
	pages = {153-160},
	abstract = {Hyperbolic discounting is not observationally equivalent to exponential discounting. It is always possible to calibrate an exponential model so that it predicts the same level of consumption as a hyperbolic model. However, the two models have radically different comparative statics.},
	author = {Liutang Gong and William Smith and Heng-fu Zou}
}
