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IMPORT COVERAGE RATIO

Statistics Directorate    
Definition:
An import coverage ratio is the share (or percentage) of a country’s own imports that is subject to a particular non tariff barrier, or any one of a specified group of non tariff barriers. They are calculated by attaching actual values to bilateral trade flows between various exporters and the importing country.

Context:
The import coverage ratio suffers from the drawback that those products facing very restrictive non-tariff barriers enter the calculation with low weights. A further drawback of the ratio is that, in common with the frequency ratio, it captures the effects of relaxation of NTBs only insofar as such measures are completely eliminated. In situations where NTBs are not eliminated, the import coverage ratio may even give perverse results, which is not the case with the frequency ratio.

Source Publication:
The OECD Economic Outlook: Sources and Methods.

Hyperlink:
http://www.oecd.org/eco/outlook/sources-and-methods.htm

Statistical Theme: International trade statistics

Created on Tuesday, September 25, 2001

Last updated on Friday, March 28, 2014