There are apartments in Chicago whose rooftops overlook Wrigley Field. On game day you can find free riders on the roof enjoying ____.

If the balance on the current account in the United States is $750 billion, which of the following is most likely to be true?

A) The balance on the financial account is negative. B) The trade balance is negative. C) The balance on the capital account is positive. D) Net foreign investment is negative.

When using extrapolation to forecast

A) a time series of past observations is used. B) there is a large error term in the results. C) predictions can only be made about the future. D) dummy variables can skew the results.