aspects of time discounting: (i) impatience, measured by the overall discount rate; (ii) present bias, measured by the degree …

: hyperbolic discounting and short planning horizons. We show that, in contrast to the commonly accepted argument, in general … (except for the special case of logarithmic utility) a model with hyperbolic discounting is not observationally equivalent to … one with exponential discounting. We also show that our framework implies a hump-shaped saving rate dynamics that is …

-generational discounting. It is shown that the pure time preference rate is irrelevant for inter-generational comparisons. However, the … maximisation. Opportunity costs should be taken into account not by discounting with their internal rate of return, but by … time preference approach. These considerations lead us to the formulation of a new discounting technique, "Generation …