A key issue multicriteria evaluation in a fuzzy environment is how to compare fuzzy numbers. In this paper, the case of criterion scores in the form of L-R fuzzy numbers, i.e. the most general form of fuzzy numbers, will be considered.

Cost-benefit analysis (CBA) is the most popular evaluation tool in economics. However, it is widely recognised that one of its main limitations is the impossibility of splitting efficiency and equity issues. The present paper, from an economic theoretical point of view, will present a...

Since Kyoto Protocol, the international community is compromising itself to reduce greenhouse gases emissions. However, the implementation of energy policies, such as the construction of renewable energy installations, in many cases doesn't suit with local perceived necessities and causes...

Most insights of environmental economics are in line with the standard neo-classical economic model of rational behaviour, formulated in terms of maximisation of utility in general, or profits in particular. The standard theory of environmental policy is a case in point. However, the...

Purpose: The purpose of this paper is to deal with one of the technical difficulties of private and social cost–benefit analysis, i.e. the choice of the proper cost–benefit aggregation rule (or method) to use, when a private capital investment decision has to be taken or a public project...