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GTAP Resource #3545

"Estimating Carbon Leakage and the Efficiency of Border Adjustments in General Equilibrium - Does Sectoral Aggregation Matter?"
by Caron, Justin


Estimates of the carbon leakage resulting from sub-global climate policies tend to be lower when using economy-wide general equilibrium models than what technology-specific bottom-up models suggest. In order to test whether this difference is due to excessive sectoral aggregation, I exploit disaggregated data and estimate unobserved values to create a dataset with rich industrial sector detail. The bias caused by sectoral aggregation is estimated by calibrating a general equilibrium model to this dataset and comparing results with those generated from more aggregated datasets.

A stylized unilateral carbon pricing policy is simulated. Results show that aggregated calibrations overestimate industrial output loss and underestimate the increase in CO2 embodied in imports. The efficiency of border carbon adjustments at reducing leakage is also underestimated. However, I find that general equilibrium estimates of carbon prices and economy-wide leakage rates are mostly unaffected by the degree of industrial aggregation.

Resource Details (Export Citation) GTAP Keywords
Category: 2011 Conference Paper
Status: Published
By/In: Presented at the 14th Annual Conference on Global Economic Analysis, Venice, Italy
Date: 2011
Created: Caron, J. (4/13/2011)
Updated: Caron, J. (3/16/2012)
Visits: 1,058
- Domestic policy analysis
- Trade and the environment
- European Union
- Common Wealth of Independent States

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