Decision Making in Financial Markets by Means of a Multivariate Ordering Procedure

Luca Grilli and Massimo Alfonso Russo ()

Quaderni DSEMS from Dipartimento di Scienze Economiche, Matematiche e Statistiche, Universita' di Foggia

Abstract: One of the main problems in managing multidimensional data for decision making is that it is impossible to define a complete ordering on multidimensional Euclidean spaces. In order to solve this problem the scientific community has devolped more and more sofisticated tecniques belonging to the wide framework of Multivariate Statistics. Recently some authors [DR04] have proposed an ordering procedure in which the "meaningful direction" is the "worst-best". The aim of this paper is to extend this approach considering that, especially in financial applications, variables are quantified in different scales and, as we are going to show, this can lead to undesired results. As a matter of fact, we show that, without an appropriate rescaling, variables with a large range of variation (rv) are "overweighted" with respect to variables with a small one.

Keywords: Multivariate Data; Ordering procedures; Normalization; Financial Markets. (search for similar items in EconPapers)
Date: 2006-10
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Published in Mathematical and Statistical Methods for Insurance and Finance, Perna, Cira; Sibillo, Marilena (Eds.), ISBN: 978-88-470-0703-1, Springer, 2008.

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Persistent link: https://EconPapers.repec.org/RePEc:ufg:qdsems:lg_maf_2008

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