“…This sample is made up by economies characterized for a NR specialized economic structure, high or medium-high income according to the WB classification, and high rates of growth between 1990 and 2008. The solution of the Cluster analysis is one group of countries (called SELECTED) made up by Argentina, Australia, Canada, Chile, Colombia, Kazakhstan, Mexico, Peru, Russia, and South Africa, which is consistent with other studies that analyze NR specialization and successful cases of development [5], [25], [39], [40], [43]- [45].…”