The nominal effective exchange rate (EER) of a currency is an index of the tradeweighted average of its bilateral exchange rates vis-à-vis the currencies of selected trading partners, while the real EER is derived by adjusting the nominal index for relative prices or costs. The nominal EER...

The quality of the geographical breakdown in the balance of payments and related statistics (such as international trade in goods, trade in services and foreign direct investment (FDI) statistics) can be assessed by means of comparisons with mirror data in order to assess bilateral asymmetries....