of business diversification and the production efficiency of Japan's major private railway companies from the perspective … companies by evaluating their production efficiency and its changes over time. The results of the analysis reveal that, while … personnel and other overhead expenses and resources, lowering production efficiency. …

Background China started a pilot public hospital reform in 2012 to improve governance and efficiency in healthcare … efficiency and productivity by using a unique dataset of county hospitals in East China during 2009-2015. Methods A three …-stage approach is used. First, this study uses the output-oriented data envelopment analysis (DEA) to estimate hospital efficiency …