If a friend of yours keeps cash hidden under the mattress, he is using money as a

If two countries agree to specialize and trade based on comparative advantage, which of the following is most likely to be TRUE?

A) Both of the countries will consume outside their respective production possibilities curves. B) One of the countries will end up receiving all of the gains from trade. C) One of the countries will both consume and produce on its production possibilities curve. D) Only one of the countries will produce on and consume outside its production possibilities curve.

Assume that the central bank increases the reserve requirement. If the nation has low mobility international capital markets and a flexible exchange rate system, what happens to the real risk-free interest rate and reserve-related (central bank) transactions in the context of the Three-Sector-Model?

a. The real risk-free interest rate falls, and reserve-related (central bank) transactions become more negative (or less positive). b. The real risk-free interest rate rises, and reserve-related (central bank) transactions become more negative (or less positive). c. The real risk-free interest rate and reserve-related (central bank) transactions remain the same. d. The real risk-free interest rate rises, and reserve-related (central bank) transactions remain the same. e. There is not enough information to determine what happens to these two macroeconomic variables.