The figure above represents the relationship between output and cost in an industry with an external cost. When output is at D, what distance represents the marginal external cost?

The adoption of inflation targeting in the United States ________

A) brought an end to the "dual mandate" regime B) resulted from legislation enacted in 1914 C) occurred after its adoption in more than a dozen other countries D) was blocked by its staunch opponent, Ben Bernanke

The value of corporate stocks and bonds traded in a given year is:

A.  Included in the calculation of GDP because they make a contribution to the current production of goods and services B.  Excluded from the calculation of GDP because they make no contribution to current production of goods and services C.  Included in the calculation of net private domestic investment D.  Included in the calculation of gross private domestic investment