‘Constant’ rebound effects in domestic heating: Developing a cross-sectional method

Ray Galvin

Ecological Economics, 2015, vol. 110, issue C, 28-35

Abstract: Policymakers are increasingly concerned about rebound effects, which lead to lower savings than expected when energy-efficiency increases. There are difficulties in making coherent comparisons between magnitudes of rebound effects in different sectors, such as home heating, industry and transport. A barrier to this in domestic heating is the conceptual difficulty of estimating rebound effects as energy-efficiency elasticities, since the large, stepwise increases in energy-efficiency through thermal retrofits fit uneasily with differential calculus. This paper offers a solution. Firstly, it develops a ‘cross-sectional’ method in which elasticity-based rebound formulae are used to estimate implied average rebound effects in large datasets of energy consumption and energy efficiency. It then shows how a simple power curve can model these datasets, simplifying the mathematics, giving ‘constant’ rebound effect results that are immediately meaningful, and extending compatibility to rebound effect modelling in other sectors. The method is then extended to case studies of thermal retrofits of individual dwellings. Here the inherent inaccuracy of using linear approximations in rebound effect formulas is also illustrated. The cross-sectional, ‘constant’ rebound effect methodology is offered for wider use in estimating rebound effects in case studies and in domestic heating as more datasets of energy consumption and efficiency become available.

Keywords: Rebound effect; Thermal retrofits; Energy efficiency elasticity; Energy policy (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecolec:v:110:y:2015:i:c:p:28-35

DOI: 10.1016/j.ecolecon.2014.12.016

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