Table 3.

Estimates of SCC for 2020 from US Interagency Working Group and comparison with DICE model in 2010 US$

Model and scenario5% per year discount rate on goodsDICE4% per year discount rate on goods3% per year discount rate on goods2.5% per year discount rate on goods
Estimates of 2020 SCC from US Working Group, 2013 (2010$)
 DICE-201012nana4059
 PAGE23nana74105
 FUND3nana2237
  Average13nana4567
Estimates for different DICE model versions (2010$)
 DICE-2013R1524265074
 DICE-2016R23374187140
  • Upper rows show estimates of the 2020 SCC from the IAWG. The three models have harmonized outputs, emissions, populations, and ETS distribution and use constant discount rates. Lower rows show the results of the estimates from the two latest versions of the DICE model for the baseline (Table 1) and using constant discount rates.