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Material capacities are related to the macroeconomic activity, defense and research in the State; semi-material capacities, which are intermediate and secondary, relate to the individual wealth, the overall situation of the population and the welfare of society-national; finally, the immaterial capacities that are related to tourism and cultural attractiveness of a country, its cosmopolitanism and the international scope of its media, its universities and think tanks. Measuring these capacities through MCI, SMCI IMCI and add them, is possible to obtain data that provides a multivariate and multidimensional reading of the capacities of a state: the World Power Index (WPI). WPI is understood as

the numerical expression of the relation between three composite indexes that illustrate the material, semi-material and immaterial capacities that has a nation-state to exercise its power in the international system (Morales Ruvalcaba, 2016: 259).

Applications of World Index Power

To be computed, the WPI needs the maximum and minimum values that may exist worldwide. To consider, this statistical tool allows identify the specific position of any country in the hierarchy of world power and thereby proceed to design a model of international structure in which each category of States has its own characteristics and roles.

WPI has become analysis technique with huge heuristic potential for several scholars of international relations, particularly for the members of the Research Group on World Policy, who have developed as case studies: MéxicoBrasilChina, the G7BRICSLatin Americasubregional powers and, from a broader historical perspective, political cycles of world hegemonies.