. . "Economics USA"@en . . . . . . . . "Exchange rates"@en . . . "Pt. 27 investigates the effects of international trade, tariffs, quotas, and multinational corporations. Pt. 28 examines currency exchange rates and the balance of payments."@en . . "Pt. 27 illustrates the concepts of specialization and comparative advantage and shows how trade may hurt certain groups but benefit society as a whole. Pt. 28 shows the effect of exchange rates on trade, domestic economic growth, and inflation."@en . . "Pt. 27 The effects of international trade, tariffs and quotas, versus free trade. Pt. 28 Government control of exchange rates, as seen in the Plaza Accord of 1985 and the Louvre Accord of 1987." . . . . . . . . "Economics U$A. Lesson 27, International trade ; Lesson 28, Exchange rates"@en . . . "International trade"@en . "Economics U$A. Lesson 27, International trade Lesson 28, Exchange rates"@en . "Economics U$A. Lesson 27, International trade Lesson 28, Exchange rates" . . .