Activity & Production - Global - WITS - HH Market concentration index

This dataset includes yearly information about HH index for a wide variety of countries. HH (Hirschman Herfindahl) index is a measure of the dispersion of trade value across an exporter’s partners. A country with trade (export or import) that is concentrated in a very few markets will have an index value close to 1. Similarly, a country with a perfectly diversified trade portfolio will have an index close to zero.