Aspects of manifestation of the cluster functioning effect in the context of increase of competitiveness of the national economy

The article studies the global competitiveness index, including Ukraine, by the version of the Management Development Institute. It establishes that one of the factors, which significantly influences country competitiveness, is the level of economy clusterisation. It provides principles, on the basis of which clusters should be formed. It establishes system properties of a cluster, which allow obtaining synergetic and multiplicative effects from cluster functioning. It develops a conceptual scheme of manifestation of the cluster functioning effect.