Necessity or Luxury Good? Household Energy Spending and Income in Britain 1991-2007

Helena Meier, Tooraj Jamasb and Luis Orea

The Energy Journal, 2013, vol. 34, issue 4, 109-128

Abstract: In recent years, many households around the world have experienced reductions in real incomes and higher energy prices, both of which have important demand and welfare implications. A better understanding of the socio-economic determinants of household energy demand and spending is therefore important from a welfare perspective. This is particularly useful in the case of liberalised energy markets where there is a need to devise new and innovative energy policies for the residential sector. This paper explores British household spending on energy in total and on electricity and gas separately. As the relative importance of essential or luxury services of energy varies with income, we focus our analysis on this driver of energy spending and estimate Engel spending curves using static and dynamic models for a panel dataset comprising over 77,000 observations for the 1991-2007 period. The lack of household level price data is common in liberalized retail energy markets. This issue is addressed by a new modeling approach based on within and between differences in regional energy prices. We find that the Engel spending curves are S-shaped. Income elasticities for energy spending are, however, U-shaped and smaller than unity, suggesting that energy services are a necessity for households.

Keywords: Household energy spending; Engel curves; Price modeling (search for similar items in EconPapers)
Date: 2013
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Journal Article: Necessity or Luxury Good? Household Energy Spending and Income in Britain 1991-2007 (2013)
Working Paper: Necessity or Luxury Good? Household Energy Spending and Income in Britain 1991 - 2007 (2012)
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Persistent link: https://EconPapers.repec.org/RePEc:sae:enejou:v:34:y:2013:i:4:p:109-128

DOI: 10.5547/01956574.34.4.6

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