Table 1.

Policy dimensions and values for the global climate agreement experiment

DimensionValues*
Costs and distribution
 Costs to average household, per month€28, €39, £15, $53 €56, €77, £30, $107
€113, €154, £60, $213
€141, €193, £75, $267
 Distribution of costsOnly rich countries pay
Proportional to current emissions
Proportional to history of emissions
Rich countries pay more than poor countries
Participation
 No. of participating countries out of 19220
80
160
 Emissions represented, % of current emissions40
60
80
Enforcement
 MonitoringOwn government
Independent commission
United Nations
Greenpeace
 Sanctions to average household, per monthNo sanction
€6, €8, £3, $11
€17, €23, £9, $32
€23, €31, £12, $43
  • * For average costs and sanctions, the values are given in order for France, Germany, the United Kingdom, and the United States.