Real demand for money is positively related to the level of real income in the economy

The demand for U.S. dollars represents:

A) the demand for U.S. goods and financial assets by households and firms outside the United States. B) the demand for foreign goods and financial assets by households and firms within the United States. C) the demand for U.S. goods and financial assets by households and firms within the United States. D) the willingness of households and firms that own dollars to exchange them for foreign currency.

Which of the following statements is correct?

a. Government should tax goods with either positive or negative externalities. b. Government should tax goods with negative externalities and subsidize goods with positive externalities. c. Government should subsidize goods with either positive or negative externalities. d. Government should tax goods with positive externalities and subsidize goods with negative externalities.