In this paper, we analyze the heterogeneity in the technical efficiency of a sample of French urban transport companies with a translog production frontier model. The model generates efficiency disentangling homogenous and heterogeneous variables. Our study concluded that outputs and inputs play...

All European Union (EU) member states have to comply with the demanding recycling rates targets that were set for the recovery of packaging waste in the Directive 94/62/EC. Nevertheless, each country has its own system for accomplishing these targets. Some already had national legislation when...

The recycling of packaging waste is an objective of the Community with very ambitious recycling rate targets laid down in the European law. Research on the operations and on the financial and economic costs that resulted from this environmental policy is an ongoing effort. Currently, there is...

The recycling of packaging waste is an objective of the Community with very ambitious recycling rate targets laid down in the European law. Research on the operations and on the financial and economic costs that resulted from this environmental policy is an ongoing effort. Currently, there is...