March 29 2019

Measuring 2030 Agenda at Regional Level: "The Use of Spectral Value Decomposition for the Construction of Composite Indices"

Working Paper Abstract
High dimensional composite index makes experts’ preferences in setting weights a hard task. In the literature, one of the approaches to derive weights from a data set is Principal Component or Factor Analysis that, although conceptually different, they are similar in results when FA is based on Spectral Value Decomposition and rotation is not performed. This work motivates theoretical reasons to derive the weights of the elementary indicators in a composite index when multiple components are retained in the analysis. By Monte Carlo simulation it offers, moreover, the best strategy to identify the number of components to retain.

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On the Use of Spectral Value Decomposition for the Construction of Composite Indices

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