This study proposes a use of data envelopment analysis (DEA) to assess the performance of energy industries. The DEA is a nonparametric approach that does not assume any functional form for performance assessment. The purpose of this study is to discuss how DEA can examine the current energy...

The Russian attack on Ukraine in February 2022 shook continental geopolitics and led to a major shift in EU energy policy. The necessary speed of the combined diversification away from the Russian energy sources, fossil fuel phase-out and mass scale-up of low-carbon energy and technologies are...

Marketing has a tradition in conducting scientific research with cutting-edge techniques developed in management science, such as data envelopment analysis (DEA) (Charnes et al. 1985). Two decades ago, Kamakura, Ratchford, and Agrawal (1988) applied DEA to examine market efficiency and consumer...