This study approaches the measurement of energy efficiency development in the German and Colombian energy intensive sectors (EISs) at three levels of aggregation from a production-theoretic structure, using of the method of Data Envelopment Analysis (DEA). The results show considerable variation...

This paper develops an index to evaluate the level of effectiveness of the control of violence based on the data envelopment analysis approach. The index is used to examine the grade of effectiveness of the control of violence at the level of Colombian departments between 1993 and 2007....