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|Title:||Creating Composite Indicators with DEA and Robustness Analysis: the Case of the Technology Achievement Index|
|Authors:||CHERCHYE Laurens; MOESEN Willem; ROGGE Nicky; VAN PUYENBROECK Tom; SAISANA Michaela; SALTELLI ANDREA; LISKA ROMAN; TARANTOLA STEFANO|
|Citation:||JOURNAL OF THE OPERATIONAL RESEARCH SOCIETY vol. 59 p. 239-251|
|Publisher:||PALGRAVE MACMILLAN LTD|
|Type:||Articles in periodicals and books|
|Abstract:||Composite indicators are regularly used for benchmarking countries performance, but equally often stir controversies about the unavoidable subjectivity that is connected with their construction. Data Envelopment Analysis helps to overcome some key limitations, viz., the undesirable dependence of final results from the preliminary normalization of sub-indicators, and, more cogently, from the subjective nature of the weights used for aggregating. Still, subjective decisions remain, and such modelling uncertainty propagates onto countries composite indicator values and relative rankings. Uncertainty and sensitivity analysis are therefore needed to assess robustness of final results and to analyze how much each individual source of uncertainty contributes to the output variance. The current paper reports on these issues, using the Technology Achievement Index as an illustration.|
|JRC Institute:||Institute for the Protection and Security of the Citizen|
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