“…In literature, many approaches exist to evaluate clusters' efficiency or performance (Bergman et al, 1996;Czamanski and Ablas, 1979;Feser and Bergman, 2000;Kozhinova and Ferova, 2012;Morkovina et al, 2014;Mukhiddini and Bobojonov, 2014;Padmore and Gibson, 1998;Ribeiro Carpinetti et al, 2008). There are several approaches, whose focus lies in algorithms and methods to cluster or to identify clusters, or to evaluate the suitability of companies for the cluster (Bergman et al, 1996;Czamanski and Ablas, 1979;Feser and Bergman, 2000;Kozhinova and Ferova, 2012).…”