The Economic Complexity Index (ECI) and the Product Complexity Index (PCI) are, respectively, measures of the relative knowledge intensity of an economy or a product.
ECI and PCI values are estimated directly from matrices summarizing the geography of economic activity, and can be calculated on demand.
Formally, the complexity of location (ECI) is a function of the complexity of the activities present in it. Similarly, the complexity of an activity (PCI) is a function of the complexities of the locations where that activity is present.
For details about Relatedness and ECI see the methods section in the OEC Academy.
These are the rankings of the OEC 3.0 version for the Economic Complexity Index .
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