The Risk-Adjusted Carbon Price
Rick Van Der Ploeg
Professor of economics and Research director at Oxford Centre for the Analysis of Resource Rich Economies (OXCARRE)
A popular model of economy and climate change has logarithmic preferences and damages proportional to the carbon stock in which case the certainty-equivalent carbon price is optimal. We allow for different aversions to risk and intertemporal fluctuations, convex damages, uncertainties in economic growth, atmospheric carbon, climate sensitivity and damages, correlated risks, and distributions that are skewed in the longer run to capture climate feedbacks. We derive a non-certainty-equivalent rule for the carbon price, which incorporates precautionary, risk-insurance and risk-exposure, and climate beta effects to deal with future economic and climatic risks. We interpret these effects with a calibrated DSGE model.
Authors: Rick Van der Ploeg Ton S. Van den Bremer
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