Greco, Salvatore and Ishizaka, Alessio and Tasiou, Menelaos and Torrisi, Gianpiero (2018): sigma-mu efficiency analysis: A new methodology for evaluating units through composite indices.
Greco, Salvatore and Ishizaka, Alessio and Tasiou, Menelaos and Torrisi, Gianpiero (2019): The Ordinal Input for Cardinal Output Approach of Non-compensatory Composite Indicators: The PROMETHEE Scoring Method.
Delis, Manthos D. and Iosifidi, Maria and Tasiou, Menelaos (2021): Efficiency of government policy during the COVID-19 pandemic.
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