How to invest in Belgian shares by MULTIMOORA optimization

Willem Brauers and Romualdas Ginevičius

Journal of Business Economics and Management, 2013, vol. 14, issue 5, 940-956

Abstract: Different multiple objectives expressed in different units make optimization difficult. Therefore, the internal mechanical solution of a Ratio System, producing dimensionless numbers, is preferred to weights, which are most of the time used to compare the different units. In addition, the ratio system creates the opportunity to use a second approach: a non-subjective Reference Point Theory. Therefore, the Reference Point Theory uses the ratios found in the ratio system as co-ordinates for the alternative solutions, which are then compared to a Maximal Objective Reference Point. The two approaches form a control on each other. This overall theory is called MOORA (Multi-Objective Optimization by Ratio Analysis). The results are still more convincing if a Full Multiplicative Form is added, three methods assembled under the name of MULTIMOORA. At that moment, the control by three different approaches forms a guaranty for a solution being as non-subjective as possible. As to calculate the sum of three obtained ranks is not allowed, a theory of Ordinal Dominance is developed in order to remain in the ordinal sphere.MULTIMOORA is used to decide upon an investment in Belgian shares on basis of a ranking in the BEL20 Index.

Date: 2013
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DOI: 10.3846/16111699.2013.837244

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