Purpose The purpose of this study is to review the current status and related issues on the market reform of Japanese electric power industry after Fukushima Daiichi nuclear plant disaster. We also discuss the future policy direction for the market reform. Design/methodology/approach This...

This study describes a practical use of Data Envelopment Analysis-Discriminant Analysis (DEA-DA) for bankruptcy-based performance assessment. DEA-DA is useful for classifying non-default and default firms based upon their financial performance. However, when we apply DEA-DA to a data set on...

This study compares DEA (data envelopment analysis) with DEA-DA (discriminant analysis) in terms of bankruptcy assessment. Recently, many DEA researchers propose a use of DEA as a quick-and-easy tool to assess corporate bankruptcy. Meanwhile, other DEA researchers discuss a use of DEA-DA for...

This study proposes a new use of DEA (Data Envelopment Analysis) radial approach to examine the corporate sustainability of Japanese industrial sectors. The concept of corporate sustainability is measured by its subcomponent measures, including UEN (Unified Efficiency under Natural...

Climate change and various pollutants have been influencing our societies and economies. Recently, many individuals, firms and public entities (e.g., the United Nations) are interested in environmental protection (e.g., reduction of CO2 emission). This study discusses a use of DEA (Data...