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Gillingham, Kenneth
Nordhaus, William
Anthoff, David
Blanford, Geoffrey
Bosetti, Valentina
Christensen, Peter
McJeon, Haewon
Reilly, John
Sztorc, Paul
Year of Publication: 
Series/Report no.: 
CESifo Working Paper 5538
The economics of climate change involves a vast array of uncertainties, complicating both the analysis and development of climate policy. This study presents the results of the first comprehensive study of uncertainty in climate change using multiple integrated assessment models. The study looks at model and parametric uncertainties for population, total factor productivity, and climate sensitivity. It estimates the pdfs of key output variables, including CO2 concentrations, temperature, damages, and the social cost of carbon (SCC). One key finding is that parametric uncertainty is more important than uncertainty in model structure. Our resulting pdfs also provide insights on tail events.
climate change
integrated assessment models
Document Type: 
Working Paper

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