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...

The presence of qualitative information in environmental policy analysis is a rule, rather than an exception. This book is mainly concerned with the issue of fuzzy information in multicriteria evaluation. New analytical tools able to tackle economy-environment interactions and operationalize...