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Industrial Investments in Energy Efficiency: A Good Idea?

January 2017

Written by: Mary Jialin Li

Working Paper Number:

CES-17-05

Abstract

Yes, from an energy-saving perspective. No, once we factor in the negative output and productivity adoption effects. These are the main conclusions we reach by conducting the first large-scale study on cogeneration technology adoption ' a prominent form of energy-saving investments ' in the U.S. manufacturing sector, using a sample that runs from 1982 to 2010 and drawing on multiple data sources from the U.S. Census Bureau and the U.S. Energy Information Administration. We first show through a series of event studies that no differential trends exist in energy consumption nor production activities between adopters and never-adopters prior to the adoption event. We then compute a distribution of realized returns to energy savings, using accounting methods and regression methods, based on our difference-in-difference estimator. We find that (1) significant heterogeneity exists in returns; (2) unlike previous studies in the residential sector, the realized and projected returns to energy savings are roughly consistent in the industrial sector, for both private and social returns; (3) however, cogeneration adoption decreases manufacturing output and productivity persistently for at least the next 7-10 years, relative to the control group. Our IV strategies also show sizable decline in TFP post adoption.

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estimating, demand, investment, estimation, estimator, growth, investing, trend, expenditure, technology adoption, revenue, consumption, spending, emission, energy, firms productivity, household, generation, saving, renewable

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Bureau of Labor Statistics, Census of Manufactures, Annual Survey of Manufactures, Total Factor Productivity, Cobb-Douglas, Energy Information Administration, University of Chicago, Longitudinal Business Database, Manufacturing Energy Consumption Survey, Department of Energy, Environmental Protection Agency, Chicago Census Research Data Center, North American Industry Classification System, Special Sworn Status

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