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  • Measuring energy intensity in Japan: A new method 

    Authors:Zaim, Osman; Gazel, Tuğçe Uygurtürk; Akkemik, K. Ali
    Publisher and Date:(Elsevier, 2017)
    Energy intensity and energy conservation have been important pillars of energy policies in Japan. Recently the government has introduced new initiatives to enhance energy efficiency and reduce energy intensity. We analyze the energy intensity in Japan for the period 1973-2006 by proposing a new method which takes into account all other inputs used in production and corrects for the bias in the traditional energy intensity measure. We show that the traditional energy intensity measure has serious ...

  • Overcoming the shortcomings of energy intensity index: a directional technology distance function approach 

    Authors:Zaim, Osman; Gazel, Tuğçe Uygurtürk
    Publisher and Date:(Springer, 2018)
    In multilateral comparisons of environmental performance over time, energy intensity measures, especially "real" energy intensity computed either by index decomposition approach or structural decomposition approach, are the most commonly used measures. Recently, researchers also resort to production-theoretical approach, which relies on data envelopment analysis techniques, to decompose energy intensity changes over time into their subcomponents. While their intuitiveness and computational ease ...