Table 1.

Scenarios considered in the present study

NameClimate policyProductivity growth
ReferenceNoneStandard*
RCP4.54.5 W m−2 stabilizationStandard*
zAPGrefNoneZero
zAPG4.54.5 W m−2 stabilizationZero
hAPGrefNoneHigh
hAPG4.54.5 W m−2 stabilizationHigh
  • *Standard GCAM assumption, following Bruinsma (22) to 2030 and then converging to 0.25% per year for all crops in all regions by 2100.

  • Fifty percent greater than standard assumption.