For countries such as the United States and the United Kingdom, it is important to have trade surpluses in order to service their external debts

The data in the table above are the U.S. balance of payments. What is the current account balance?

A) $0 B) $150 billion C) -$100 billion D) -$150 billion

The Fisher index

A) uses the arithmetic mean of the Paasche index and the Laspeyres index. B) uses the standard deviation of the Paasche index and the Laspeyres index. C) uses the geometric mean of the Paasche index and the Laspeyres index. D) uses the harmonic mean of the Paasche index and the Laspeyres index.