Company performance and environmental efficiency: A case study for shipping enterprises
Effects of government regulations and input subsidies on cost efficiency: A decomposition approach
Energy audits in shipping companies
Evaluating European railway deregulation using different approaches
A slacks-based network DEA efficiency analysis of European airlines
Efficiency measure on the truck restriction policy in China: A non-radial data envelopment model
New Permeable Structure for Controlling Debris Flows in the Wenjiagou Gully
New Permeable Structure for Controlling Debris Flows in the Wenjiagou Gully
The impact of competition on container port (in)efficiency
The impact of logistics and intermodality on airport efficiency