Re-identifying the rebound: What about asymmetry?
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Date
2011-05-04
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Abstract
Rebound effects measure the behaviorally induced offset in the reduction of
energy consumption following efficiency improvements. Using panel estimation methods
and household travel diary data collected in Germany between 1997 and 2009,
this study identifies the rebound effect in private transport by allowing for the possibility
that fuel price elasticities – from which rebound effects can be derived – are
asymmetric. This approach rests on evidence that has emerged from the empirical literature
suggesting that the response in individual travel demand to price increases
is stronger than to decreases. With a rebound effect estimate for single-vehicle households
of 58%, our result is in line with a recent German study by FRONDEL, PETERS,
and VANCE (2008), but is substantially larger than those obtained from other studies.
Moreover, we fail to reject the hypothesis that the magnitude of the response to a price
increase is equal to that of a price decrease.
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Keywords
automobile travel, panel estimation models