Paul R. Portney

TL;DR: The argument for using a declining discount rate (DDRR) is discussed in this article, where the authors use a discount rate that declines over time when evaluating the future benefits and costs of public projects.

TL;DR: There now exists a large and growing literature on what has come to be known as "corporate social responsibility" (CSR), and the largest strand of this literature is devoted to studies that att...

TL;DR: In this paper, the authors summarized the views of the panel on three topics: the use of the Ramsey formula as an organizing principle for determining discount rates over long horizons, whether the discount rate should decline over time, and how intra-and intergenerational discounting practices can be made compatible.