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The total-factor energy efficiency (TFEE) index has been widely used in literature to estimate sector or economy-level energy efficiency performance. However, almost all of the existing relative studies neglect the congestion effect in production activities. The measurement of energy efficiency ignoring the congestion effect may result in plausible efficiency scores for energy efficiency benchmarking...
This paper proposes a two stage Range-Adjusted model to assess the inefficiency and congestion of mix energy consumption. In order to investigate the case over time, DEA window analysis is combined with our model. The proposed two-stage DEA approach has been applied to examine the inefficiency and congestion in 16 APEC countries considering the energy mix effects from 1996 to 2011. Our results of...
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