How are international exchange rates quoted?

Basel 3 refers to a set of international banking regulations focused on risk management and capital adequacy, which is unrelated to the quoting of exchange rates. While these regulations impact financial institutions, they do not provide a framework for how currencies are valued or quoted in the foreign exchange market.

A trade surplus indicates that a country exports more than it imports, which may influence currency value but does not serve as a method for quoting exchange rates. Exchange rates are not directly quoted based on trade surpluses, but rather through the relative value of currencies themselves.

Central banks may use risk-weighted values to assess the stability and strength of their currencies, but this process does not dictate how exchange rates are quoted. Quoting exchange rates focuses on the direct comparison of currency values rather than internal risk assessments by central banks.