Value Functions for Infinite-Period Planning
提出一种替代现值折现的方法，在建模不同时期权衡时给予未来更多权重，且同样易于应用，同时处理了不同时期之间的公平或稳定性偏好问题。
Cost-benefit and risk analysis studies that model tradeoffs between the present and the distant future by means of present value discounting have been criticized for according the future, and thus future generations, far too little importance. This paper presents an alternative means of modeling tradeoffs between different periods that accords the future far more importance than present value discounting, and that is no more difficult to apply. The paper also presents a means of modeling the preference issue of concern for equity or stability between different periods.