The three schools of thought that explain exchange rates (3 marks) The purpose of foreign exchange intervention by countries (1 mark) The three methods by which intervention is implemented (3 marks) The risk associated with trading foreign exchange with Russian banks faced by international banks (1 mark) Given the controls in place on the Rouble, how international banks may trade changes in the Rouble exchange rate without restrictions (2 marks) How this devaluation would have impacted Russia's current account in Russia's balance of payments and how the economy would have adjusted over time