Climate policies under climate model uncertainty: Max-min and min-max regret

Temperature responses and optimal climate policies depend crucially on the choice of a particular climate model. To illustrate, the temperature responses to given emission reduction paths implied by the climate modules of the well-known integrated assessments models DICE, FUND and PAGE are described...

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Váldodahkkit: Rezai, A, Van Der Ploeg, F
Materiálatiipa: Journal article
Giella:English
Almmustuhtton: Elsevier 2017
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author Rezai, A
Van Der Ploeg, F
author_facet Rezai, A
Van Der Ploeg, F
author_sort Rezai, A
collection OXFORD
description Temperature responses and optimal climate policies depend crucially on the choice of a particular climate model. To illustrate, the temperature responses to given emission reduction paths implied by the climate modules of the well-known integrated assessments models DICE, FUND and PAGE are described and compared. A dummy temperature module based on the climate denialists’ view is added. Using a simple welfare-maximising growth model of the global economy, the sensitivity of the optimal carbon price, renewable energy subsidy and energy transition to each of these climate models is discussed. The paper then derives max-min, max-max and min-max regret policies to deal with this particular form of climate (model) uncertainty and with climate scepticism. The max-min or min-max regret climate policies rely on a non-sceptic view of global warming and lead to a substantial and moderate amount of caution, respectively. The max-max leads to no climate policies in line with the view of climate sceptics.
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spelling oxford-uuid:40ecec2d-7270-4270-83c5-a38835051f232022-03-26T14:40:40ZClimate policies under climate model uncertainty: Max-min and min-max regretJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:40ecec2d-7270-4270-83c5-a38835051f23EnglishSymplectic Elements at OxfordElsevier2017Rezai, AVan Der Ploeg, FTemperature responses and optimal climate policies depend crucially on the choice of a particular climate model. To illustrate, the temperature responses to given emission reduction paths implied by the climate modules of the well-known integrated assessments models DICE, FUND and PAGE are described and compared. A dummy temperature module based on the climate denialists’ view is added. Using a simple welfare-maximising growth model of the global economy, the sensitivity of the optimal carbon price, renewable energy subsidy and energy transition to each of these climate models is discussed. The paper then derives max-min, max-max and min-max regret policies to deal with this particular form of climate (model) uncertainty and with climate scepticism. The max-min or min-max regret climate policies rely on a non-sceptic view of global warming and lead to a substantial and moderate amount of caution, respectively. The max-max leads to no climate policies in line with the view of climate sceptics.
spellingShingle Rezai, A
Van Der Ploeg, F
Climate policies under climate model uncertainty: Max-min and min-max regret
title Climate policies under climate model uncertainty: Max-min and min-max regret
title_full Climate policies under climate model uncertainty: Max-min and min-max regret
title_fullStr Climate policies under climate model uncertainty: Max-min and min-max regret
title_full_unstemmed Climate policies under climate model uncertainty: Max-min and min-max regret
title_short Climate policies under climate model uncertainty: Max-min and min-max regret
title_sort climate policies under climate model uncertainty max min and min max regret
work_keys_str_mv AT rezaia climatepoliciesunderclimatemodeluncertaintymaxminandminmaxregret
AT vanderploegf climatepoliciesunderclimatemodeluncertaintymaxminandminmaxregret