He describes the quantitative studies that have been devoted to answering this question, but admits that the results are confusing and seem to depend to an inordinate
degree upon the assumptions of the investigator.
Not exact matches
As for the economic impact of mitigating climate change, Stern's 1 percent of GDP calculation rests
upon an
assumption of stabilization of emissions in the next 10 to 20 years, which he says would make a temperature rise above 4
degrees Celsius unlikely.
What seems to be so often neglected in discussions is an open admission that GCMs, from reconstructions and such are based
upon guesses and
assumptions that of themselves rely
upon limited
degrees of accurate observational evidence and further
assumptions made about those observations.