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Conceptual and practical challenges are inevitable when trying to understand and model the fundamentals of innovation at the national level worldwide. Now in its 15th edition, the Global Innovation Index (GII) 2022, considers these conceptual challenges and deals with practical issues – related to data quality and methodological choices – by grouping economy-level data for 132 economies across 81 indicators into 21 sub-pillars, seven pillars, two sub-indices and, finally, an overall index. This appendix offers detailed insights into the practical issues as they relate to the construction of the GII, analyzing the statistical soundness of the calculations and assumptions used to arrive at the final index rankings.
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17 Jan 2023
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