-choice experiment, where payments are made either directly or in 3, 9, or 18 months after the experiment. We find that risk preference … is time-dependent for both individuals and groups. In the present, groups make more risk-averse decisions than … in their risk preferences between the different delays. We present a parameterization of the probability time trade …

account for both risky and intertemporal choices, and under the conditions of their experiment, found evidence supporting it … risk preferences and time preferences is very much a function of the way that experimenter incentivize choices. Another … reason to be sceptical about the result is that the experiment was not properly powered up; hence the no-difference results …

We study intertemporal choices through an experiment that elicits a subject's plan and then tracks its implementation … over time. There are two main results. When facing a costly task to be completed under a deadline, two thirds of subjects …