{{Short description|Trade Openness System}} thumb|Trade as a share of global GDP (openness index) The '''openness Index''' is an economic metric calculated as the ratio of a country's total trade, the sum of exports plus imports, to the country's gross domestic product.<ref>{{cite web|last=Glossary|first=International Economics|url=http://www-personal.umich.edu/~alandear/glossary/o.html#openness|title=Deardorffs' Glossary of International Economics entry|accessdate=21 September 2011}}</ref> = (Exports + Imports)/(Gross Domestic Product)<ref>{{Cite web|url=http://data.worldbank.org/indicator/NE.TRD.GNFS.ZS|title = Trade (% of GDP) | Data}}</ref>
The interpretation of the openness index is, the higher the index, the larger the influence of international trade on domestic activities and the stronger that country's economy.<ref>{{Cite web|url=http://www.cer.ethz.ch/resec/teaching/seminar_aussenwirtschaft_wt_04_05/yanikkaya_JDE.pdf|title = Homepage}}</ref>
==See also== *List of countries by trade-to-GDP ratio
==References== {{Reflist}}
Category:Gross domestic product Category:International trade