what are the benefits of an optimum currency area 
some of the benefits of an optimum currency area include the removal of uncertainty through shifting exchange rates increased flow of trade amongst member countries specialization in production stability in prices and a reduction in costs the bottom linethe optimum currency area oca theory believes that countries within a certain geographic region would be better served using the same currency rather than their own individual currencies this has been implemented for example in europe with the euro however many economists state how the euro did not meet the criteria of the theory and therefore is partly why it has struggled from time to time 