SUMMARY OF A WORKSHOP
K. John Holmes, Rapporteur
NATIONAL RESEARCH COUNCIL
OF THE NATIONAL ACADEMIES
THE NATIONAL ACADEMIES PRESS
Washington, D.C.
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K. John Holmes, Rapporteur
Division on Engineering and Physical Sciences
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THE NATIONAL ACADEMIES PRESS 500 Fifth Street, N.W. Washington, DC 20001
NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council,
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and the Institute of Medicine.
This study was supported by funding from the U.S. Department of Energy under contract DE-AM01-04PI45013/DE-
DT0000010/002. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the
author(s) and do not necessarily reflect the views of the organizations or agencies that provided support for the project.
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National Research Council.
www.national-academies.or g
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PLANNING COMMITTEE FOR THE WORKSHOP ON ASSESSING
ECONOMIC IMPACTS OF GREENHOUSE GAS MITIGATION
JOHN WEYANT, Stanford University, Chair
MARILYN BROWN, Georgia Institute of Technology
WILLIAM NORDHAUS, Yale University
KAREN PALMER, Resources for the Future
RICHARD RICHELS, Electric Power Research Institute
STEVEN SMITH, Pacific Northwest National Laboratory
Project Staff
K. JOHN HOLMES, Responsible Staff Officer, Board on Energy and Environmental Systems
JAMES J. ZUCCHETTO, Director, Board on Energy and Environmental Systems
LaNITA JONES, Administrative Coordinator, Board on Energy and Environmental Systems
E. JONATHAN YANGER, Senior Program Assistant, Board on Energy and Environmental Systems
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BOARD ON ENERGY AND ENVIRONMENTAL SYSTEMS
ANDREW BROWN, JR., NAE,1 Delphi Technologies, Troy, Michigan, Chair
RAKESH AGRAWAL, NAE, Purdue University, West Lafayette, Indiana
WILLIAM BANHOLZER, NAE, Dow Chemical Company, Midland, Michigan
MARILYN BROWN, Georgia Institute of Technology, Atlanta
MICHAEL CORRADINI, NAE, University of Wisconsin, Madison
PAUL DeCOTIS, Long Island Power Authority, Albany, New York
CHRISTINE EHLIG-ECONOMIDES, NAE, Texas A&M University, College Station
WILLIAM FRIEND, NAE, Bechtel Group, Inc. (retired), McLean, Virginia
SHERRI GOODMAN, CNA, Alexandria, Virginia
NARAIN HINGORANI, NAE, Independent Consultant, Los Altos Hills, California
ROBERT J. HUGGETT, Independent Consultant Seaford, Virginia
DEBBIE NIEMEIER, University of California, Davis
DANIEL NOCERA, NAS,2 Massachusetts Institute of Technology, Cambridge
MICHAEL OPPENHEIMER, Princeton University, Princeton, New Jersey
DAN REICHER, Stanford University, Stanford, California
BERNARD ROBERTSON, NAE, Daimler-Chrysler (retired), Bloomfield Hills, Michigan
ALISON SILVERSTEIN, Independent Consultant, Pflugerville, Texas
MARK THIEMENS, NAS, University of California, San Diego
RICHARD WHITE, Oppenheimer & Company, New York
Staff
JAMES J. ZUCCHETTO, Director, Board on Energy and Environmental Systems
DUNCAN BROWN, Senior Program Officer
DANA CAINES, Financial Associate
ALAN CRANE, Senior Program Officer
K. JOHN HOLMES, Senior Program Officer
LaNITA JONES, Administrative Coordinator
MADELINE WOODRUFF, Senior Program Officer
E. JONATHAN YANGER, Senior Project Assistant
1 NAE, National Academy of Engineering.
2NAS, National Academy of Sciences.
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Preface
The 2010 National Research Council (NRC) workshop “Modeling the Economics of Greenhouse Gas Mitiga -
tion” was initiated by the Department of Energy (DOE) to help address the agency’s need for improved economic
modeling tools to use in the development, analysis, and implementation of policies to address greenhouse gas
mitigation. As understanding improves of the issues addressed by and the relationships among the climate sci -
ences, economics, and policy-making communities, techniques and modeling tools currently being used will have
to be improved or modified. Critical elements in these activities include the understanding and modeling of new
technologies as they move from demonstration to deployment.
This is the second NRC workshop organized with a focus on economic modeling issues. The first such work -
shop, “Assessing Economic Impacts of Greenhouse Gas Mitigation,” was held on October 2-3, 2008, in Washing -
ton, D.C., with the goal of gaining a broader view of the variables to be accounted for and techniques used when
attempting this type of modeling.1 As a follow-up, the current workshop sought to delve more deeply into some
of the key issues discussed in 2008. As with the first workshop, the second was an effort to engage leaders from
the policy, economic, and analytical communities in helping to define the frontiers of and provide insight into the
opportunities for enhancing the capabilities of existing models to assess the economic impacts of efforts to reduce
greenhouse gas emissions.
This summary captures the major topics discussed at the second workshop. It does not include any consensus
views of the participants or the planning committee, does not contain any conclusions or recommendations on
the part of the National Research Council, and does not offer any advice to the government, nor does it represent
a viewpoint of the National Academies or any of its constituent units. No priorities are implied by the order in
which ideas are presented.
The workshop itself was divided into four major sessions (see Appendix A), each including a moderator, a
number of distinguished speakers, and a panel of discussants who provided comments and additional perspectives
on the speakers’ presentations. The workshop was planned by a committee of experts who identified the major
topics for discussion and selected speakers and participants well respected in their fields (see Appendix B for
short biographical sketches). Papers submitted by the workshop speakers are reprinted essentially as received in
Appendix C.
1 NRC (National Research Council). 2009. Assessing Economic Impacts of Greenhouse Gas Mitigation: Summary of a Workshop. The
National Academies Press, Washington, D.C.
vii
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viii PREFACE
I would like to thank John Weyant, Marilyn Brown, William Nordhaus, Karen Palmer, Rich Richels, and Steven
Smith for their extensive work in planning and executing this project. I also extend my gratitude to each presenter
and discussant who contributed to this event. Jim Zucchetto and Peter Blair of the Division on Engineering and
Physical Sciences provided valuable program direction, for which I am grateful. Jonathan Yanger also deserves
special recognition for his program support on this project.
This workshop would not have been possible without the financial support of its sponsor: the U.S. Department
of Energy’s Office of Policy and International Affairs. Inja Paik and Bob Marlay of the Department of Energy
provided the planning committee with useful input which helped it to develop a workshop that proved both timely
and valuable to the various policy, economic, and analytic communities engaged in the many aspects of greenhouse
gas mitigation.
This workshop summary has been reviewed in draft form by individuals chosen for their diverse perspectives
and technical expertise, in accordance with procedures approved by the NRC’s Report Review Committee. The
purpose of this independent review is to provide candid and critical comments that will assist the institution in
making its published report as sound as possible and to ensure that the report meets institutional standards for
quality and objectivity. The review comments and draft manuscript remain confidential to protect the integrity of
the review process.
Thanks are extended to the following individuals for their review of this workshop summary:
Paul DeCotis, Long Island Power Authority
Robert W. Fri, Resources for the Future
Charles Goodman, Southern Company (retired)
William Nordhaus, Yale University
Karen Palmer, Resources for the Future
Although the reviewers listed above provided many constructive comments and suggestions, they were not
asked to endorse the content of the summary, nor did they see the final draft before its release. Responsibility for
the final content of this report rests entirely with the author and the institution.
K. John Holmes
K.
Rapporteur
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Contents
1 INTRODUCTION 1
2 USES AND ABUSES OF MARGINAL ABATEMENT SUPPLY CURVES 4
3 USES AND ABUSES OF LEARNING, EXPERIENCE, AND KNOWLEDGE CURVES 9
4 OFFSETS—WHAT’S ASSUMED, WHAT IS KNOWN/NOT KNOWN, AND WHAT
DIFFERENCE THEY MAKE 13
5 STORY LINES, SCENARIOS, AND THE LIMITS OF LONG-TERM
SOCIO-TECHNO-ECONOMIC FORECASTING 19
6 REFLECTIONS ON THE WORKSHOP 22
REFERENCES 25
APPENDIXES
A Workshop Announcement and Agenda 29
B Biographical Sketches of Planning Committee Members, Speakers, and Discussants 33
C Papers Submitted by Workshop Speakers 41
Paradigms of Energy Efficiency’s Cost and Their Policy Implications:
Déjà Vu All Over Again—Mark Jaccard, 42
—Mark
Mark
ix
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x CONTENTS
Energy Efficiency Cost Curves: Empirical Insights for Energy-Climate Modeling—Jayant Sathaye and
—Jayant
Jayant
Amol Phadke, 52
The Perils of the Learning Model for Modeling Endogenous Technological Change—
—
William
William D. Nordhaus, 69
Uncertainties in Technology Experience Curves for Energy-Economic Models—
—
Sonia
Sonia Yeh and Edward Rubin, 76
Roles of Offsets in Global and Domestic Climate Policy—Raymond J. Kopp, 92
—Raymond
Raymond
Carbon Offsets in Forest and Land Use—Brett Sohngen, 100
—Brett
Brett
Measurement and Monitoring of Forests in Climate Policy Design—Molly K. Macauley, 109
—Molly
Molly
International Offsets Usage in Proposed U.S. Climate Change Legislation—Allen A. Fawcett, 111
—Allen
Allen
The Politics and Economics of International Carbon Offsets—David G. Victor, 132
—David
David
Developing Narratives for Next-Generation Scenarios for Climate Change Research and
Assessment—Richard Moss, 143
—Richard
Richard