recognition of policy effects over time and exponential discounting at a riskless rate of return. Policies often cannot be ranked … and at different points in time. Review of regulatory analyses indicates increased consistency of discounting practices …This article examines the economic basis for what is termed %u201Crational discounting,%u201D which entails full …

utility function curvature. We present a new methodology for identifying time preferences, both discounting and utility … discounting. A commonly recognized bias of standard elicitation techniques is the use of linear preferences for identification … obtained, dynamically consistent discounting, and limited though significant utility function curvature. …

Risk and time are intertwined. The present is known while the future is inherently risky. Discounted expected utility … robust violations of discounted expected utility, inconsistent with both prospect theory probability weighting and models …

rate of time preference declines and then rises. Estimates of the quasi-hyperbolic discounting parameter range from 0.48 to …This article examines revealed rates of time preference for public goods, using environmental quality as the case study … estimates implied that the rate of time preference is very high for immediate improvements and drops off substantially …