Export destination index - Trade - Development outcomes - African Development Indicators
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This index, also called the Herfindahl-Hirschmann index, is calculated as. Note that this type of concentration indicator tends to be quite vulnerable to cyclical fluctuations in relative-prices, in a way that commodity price rises make commodity exporters look more concentrated. Source: As calculated by the World Bank Institute WTI 2008 team using UN COMTRADE database.
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