To an economist, an increase in demand means the same thing as an increase in quantity demanded

Suppose we were analyzing the Turkish lira per euro foreign exchange market. If The Euro-Area's central bank intervenes to reduce the value of the euro, then:

a. The supply of euros in the foreign exchange market rises, and the euro-Area's monetary base rises. b. The supply of euros in the foreign exchange market rises, and the euro-Area's monetary base falls. c. The demand for euros in the foreign exchange market rises, and the euro-Area's monetary base rises. d. The demand for euros in the foreign exchange market rises, and the euro-Area's monetary base falls. e. The demand for euros in the foreign exchange market rises, and the euro-Area's monetary base remains unchanged.

A risk-averse investor will:

A. always prefer an investment with a certain return to one with the same expected return but that has any amount of uncertainty. B. always require a certain return. C. always focus exclusively on the expected return. D. never prefer an investment with a lower expected return.