简介：Thispaperhasorganizedandsummarizedtheeconomicanalysisonclimatechangefromfiveangles,namely,connotationofdiscountrate,identificationofanddisputeaboutdiscountrate,discountingway,impactofthediscountrate,andtheintegratedevaluationmodelofclimatechangeimpactandthediscountevaluation.Astheclimatechangeeconomicanalysisshows,thereisamajordisputeaboutdiscountratebetweenthemarketschoolandtheethicschool.Rateofdiscountlargelyrelatestothepresentvalueofpotentiallossattributabletoclimatechange,andtheninfluencestheselectionofpoliciesforadaptingandslowingdownclimatechange.Inthepast,theconstantindexdiscountwasadoptedasthemainway.Butwiththefullunderstandingofdiscountrate,theuncertaintyoflossattributabletoclimatechangehasbeenconsideredinthediscount.

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