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SEI Publication

Author(s): Ackerman, F., and Bueno, R.

Year: 2011

In: SEI-U.S. Working Paper WP-US-1102

Type: Paper

Language:

Centre:
US

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Use of McKinsey abatement cost curves for climate economics modeling

The authors describe their use of the McKinsey & Company cost curves in an integrated assessment model.

Integrated assessment models (IAMs) of climate economics require projections of the future costs of greenhouse gas abatement. The work of McKinsey & Company, an international consulting firm, provides global estimates of marginal abatement cost curves, based on data on the costs of numerous emission-reducing technologies.

This article describes the use of the McKinsey data in an IAM, the Climate and Regional Economics of Development (CRED) model. 

The McKinsey studies identify a large potential for abatement with negative net costs, a finding which is controversial among economists and problematic for modeling purposes. The authors avoid this issue by using only the positive-cost McKinsey data, assigning a near-zero but positive cost to all reportedly negative-cost abatements.

The results are broadly comparable to abatement cost estimates from MIT’s EPPA model, although lower than those from some other IAMs. Even the positive-cost portion of the McKinsey data suggests that emission reduction may be cheaper than IAMs have often projected.

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