Energy and Climate Change: Key Lessons for Implementing the Behavioral Wedge
Amanda R. Carrico
Vanderbilt Institute for Energy and Environment
Michael P. Vandenbergh
Vanderbilt University - Law School
Paul C. Stern
The National Academies - National Research Council (NRC)
Gerald T. Gardner
University of Michigan at Dearborn, Department of Psychology
Michigan State University, Department of Sociology and Environmental Science and Policy Program
Jonathan M. Gilligan
Vanderbilt University - Department of Earth and Environmental Sciences
May 20, 2010
Journal of Energy & Environmental Law, Vol. 1, 2010
Vanderbilt Public Law Research Paper No. 10-24
The individual and household sector accounts for roughly 40 percent of United States energy use and carbon dioxide emissions, yet the laws and policies directed at reductions from this sector often reflect a remarkably simplistic model of behavior. This Essay addresses one of the obstacles to achieving a “behavioral wedge” of individual and household emissions reductions: the lack of an accessible, brief summary for policymakers of the key findings of behavioral and social science studies on household energy behavior. The Essay does not provide a comprehensive overview of the field, but it discusses many of the leading studies that demonstrate the extent and limits of rational action. These studies can inform lawyers and policymakers who are developing measures to reduce energy use and carbon emissions and can serve as an entry point for more detailed studies of the literature.
An effective response to the climate change problem will require substantial reductions in energy demand in addition to new developments in low-carbon energy supplies.1 The individual and household sector presents a major opportunity: the sector accounts for roughly 40% of U.S. carbon emissions and a comparable percentage of total U.S. energy production, and it is one of the most promising areas for reducing emissions. A recent analysis estimates that behavioral measures directed at this sector could reasonably be expected to reduce total US emissions by over 7% by 2020, an amount larger than the combined emissions from several of the largest-emitting industrial sectors and larger than the total emissions of France. In many cases, these emissions reductions can be achieved at less cost than the leading alternatives.
Despite this opportunity, recent regulatory and policy efforts are only beginning to direct substantial attention to the individual and household sector. Findings from the social sciences provide valuable insights into how to capitalize on this opportunity, yet policymakers often have little time to develop new polices and are confronted with a barrage of often-conflicting approaches and theories. This Essay addresses the policy-making challenge by distilling the findings from a broad range of fields into several key principles for those developing energy and climate laws and policies. The principles we outline here are a starting point for policymakers working in this area. We attempt to provide insight into which principles are most relevant to law and policy, but instructions as to how to incorporate these principles are beyond the scope of this essay. The principles include only a subset of the insights from the behavioral and social science literature. In many cases, adherence to multiple principles will be necessary to develop the most effective policy design. Policymakers should consult the body of work referenced here, as well as experts in the social sciences to further their understanding of these and other principles. More extensive reviews of this literature and its relevance to energy and climate policy are also available.
Number of Pages in PDF File: 13
Keywords: climate change, environmental law, social norms, personal norms, individual behavior, offsets, carbon dioxide emissions, environment, carbon, informational regulation
Date posted: May 21, 2010
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