Paying off the national debt brings about a(n)

Which is the best example of specialization?

A) a high school math teacher who teaches only calculus B) a firm that produces both luggage and cooking oil C) a person whose job includes accounting, personnel, and maintenance tasks D) a high school math teacher who teaches algebra and calculus

For an international capital-flow shock in which foreign investors lose confidence in a country

A. the country's real domestic product is affected if the country has a floating exchange rate but not affected if the country has a fixed exchange rate. B. the country's real gross domestic product (GDP) decreases regardless of whether the country has a fixed or floating exchange rate, but the country's real GDP declines less if the country has a floating exchange rate. C. the country's real GDP tends to decline if the country has a fixed exchange rate, but the country's real GDP tends to increase if the country has a floating exchange rate. D. the country's real domestic product is affected if the country has a fixed exchange rate but is not affected if the country has a floating exchange rate.