Abstract
To solve decision problems related to sustainability, MCDA (Multi-Criteria Decision Analysis) methods are commonly used. However, from the methodological and practical perspective of sustainability assessment, MCDA methods have some shortcomings. To address this, the PROSA (PROMETHEE for Sustainability Assessment) method was designed. In contrast to other MCDA methods, PROSA is characterized by a lower degree of criteria compensation, thus supporting the strong sustainability paradigm. However, PROSA has some imperfections related to, among other things, its taking into consideration only basic sustainability dimensions and lack of criteria hierarchy handling. This article proposes a generalization of the PROSA method towards handling detailed criteria and their groups, while at the same time increasing the clarity of the computational procedure. Additionally, a new analytical tool called PROSA GAIA (Geometrical Analysis for Interactive Assistance) was developed, making it possible to perform descriptive analyses of decision problems. The practical advancements of the proposed method were illustrated using a reference case covering the sustainable decision making area, and were compared to other MCDA methods. The obtained research results clearly show that the generalized PROSA handles the strong sustainability paradigm better than its classical version, while at the same time providing the decision-maker with more possibilities to analyse a decision problem and its solution.
Highlights
In recent years, there has been a steady increase in the number of published articles related to sustainability
It refers to maintaining the equilibrium between the three pillars of sustainability, i.e., social, economic and environmental issues [13,14], in such a way that, for example, the fulfilment of economic needs of the present generation do not exclude the ability of fulfilling the environmental needs of future generations
The developed generalization should provide the decision maker with more analytical possibilities by allowing a direct definition of the expected strength of sustainability. Another important aim is the development of the PROSA GAIA method (Geometrical Analysis for Interactive Assistance), being complementary to the generalized PROSA and making it possible to analyse the solution from a descriptive perspective
Summary
There has been a steady increase in the number of published articles related to sustainability. The developed generalization should provide the decision maker with more analytical possibilities by allowing a direct definition of the expected strength of sustainability (weak and strong sustainability, as well as possible intermediate values). Another important aim is the development of the PROSA GAIA method (Geometrical Analysis for Interactive Assistance), being complementary to the generalized PROSA and making it possible to analyse the solution from a descriptive perspective. This section contains essential information about the PROMETHEE II, upon which the generalized PROSA method was based, and an analysis of compensation degree of criteria (related to sustainability of a solution) in the PROMETHEE II method.
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