Nordhaus calls this recommendation for a policy that builds gradually over a long period the “climate-policy ramp.”
诺德豪斯将这一长期逐步实施的建议称为“渐进式气候政策”。
2
Thus, Stern attaches nearly 100 times as much value as Nordhaus does to having any given level of costs and benefits 100 years from now.
因此，Stern给予100年后产品成本和收益的现值是Nordhaus的将近100倍。
3
Because Stern judges the present value of those benefits to be higher than Nordhaus does, Stern can justify spending more today on mitigating climate change than Nordhaus can.