“…In market segmentation, cluster analysis was applied to countries in which some indicators were defined by percentages of GDP (Day, Fox, & Huszagh, 1988;Kantar, Deviren, & Keskin, 2014;Liapis, Rovolis, Galanos, & Thalassinos, 2013;Powell & Barrientos, 2004) or correlations between GDP and various variables or cross-correlations of already clustered countries were investigated (Ausloos & Lambiotte, 2007;Franceschini, Galetto, Maisano, & Mastrogiacomo, 2010;Furnham, Kirkcaldy, & Lynn, 1996). Alternative approaches with the goal to cluster countries were performed using GDP and other variables at the same point in time (Michinaka, Tachibana, & Turner, 2011).…”