used in textbooks is too general to make sense in pollution modelling. Specifying bads as if they are inputs, although may … processes. Pollution modelling must be of a multi-output nature. The most flexible transformation function in outputs and inputs …. Extending the non-parametric efficiency approach to cover bads as outputs, assuming weak disposability of the bads as the only …

used in textbooks is too general to make sense in pollution modelling. Specifying bads <italic>as if</italic> they are … processes. Pollution modelling must be of a multi-output nature. The most flexible transformation function in outputs and inputs … activities. Applying a non-parametric efficiency approach extended to cover bads as outputs, assuming weak disposability of the …

providing information for choice of policy instruments. -- multiple-output production ; pollution ; bads ; purification ; DEA … used in textbooks is too general to make sense in pollution modelling. Specifying bads as if they are inputs, although may … processes. Pollution modelling must be of a multi-output nature. The most flexible transformation function in outputs and inputs …

problems with pollution. The way this joint production is modelled is therefore of crucial importance for our understanding and …. All measures can be estimated separately using the non-parametric DEA model. …

with pollution. The way this joint production is modelled is therefore of crucial importance for our understanding and … Malmquist productivity changes for the two types using a non-parametric DEA model. …

used in textbooks is too general to make sense in pollution modelling. Specifying bads as if they are inputs, although … processes. Pollution modelling must be of a multi-output nature. The most flexible transformation function in outputs and inputs …

can be estimated independently using the DEA model. …

can be estimated independently using the DEA model. …