精选优质文档-倾情为你奉上Part. Fill in the blank with suitable content.1.Seven themes recur throughout the study of international economics. These are the gains from trade , the pattern of trade , protectionism the balance of payments, exchange rate determination, international policy coordination, international capital market. 2. Countries engage in international trade for two basic reasons : comparative advantage and economics of scale. 3. A country has a comparative advantage
