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Efficiency Snakes and Energy Ladders: A (meta-)frontier demand analysis of electricity consumption efficiency in Chinese households

David Broadstock (), Jiajia Li and Dayong Zhang ()
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Jiajia Li: Southwestern University of Finance and Economics, Chengdu, China.

No 151, Surrey Energy Economics Centre (SEEC), School of Economics Discussion Papers (SEEDS) from Surrey Energy Economics Centre (SEEC), School of Economics, University of Surrey

Abstract: Policy makers presently lack access to quantified estimates–and hence an explicit understanding–of energy consumption efficiency within households, creating a potential gap between true efficiency levels and the necessarily assumed efficiency levels that policy makers adopt in designing and implementing energy policy. This paper attempts to fill this information gap by empirically quantifying electricity consumption efficiency for a sample of more than 7,000 households. Adopting the recently introduced frontier demand function due to Filippini and Hunt (2011) but extending it into the metafrontier context–to control for structural heterogeneity arising from location type–it is shown that consumption efficiency is little more than 60% on average. This implies huge potential for energy reduction via the expansion of schemes to promote energy efficiency. City households, which are the wealthiest in the sample, are shown to define the metafrontier demand function (and hence have the potential to be the most efficient households), but at the same time exhibit the largest inefficiencies. These facts together allow for a potential refinement on the household energy ladder concept, suggesting that wealth affords access to the best technologies thereby increasing potential energy efficiency (the ‘traditional’ view of the household energy ladder), but complementary to this these same households are most inefficient. This has implications for numerous areas of policy, including for example the design of energy assistance schemes, identification of energy education needs/priorities as well more refined setting of subsidies/tax-credit policies.

Keywords: Energy consumption efficiency; Frontier demand function; Chinese households. (search for similar items in EconPapers)
JEL-codes: D12 Q41 Q48 R22 (search for similar items in EconPapers)
Pages: 42 pages
Date: 2015-10
New Economics Papers: this item is included in nep-cna, nep-ene and nep-tra
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Published in Energy Policy 91, 2016, pp. 663–675. (Revised Version)

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