Refer to Figure 11-1. The marginal product of the 7th worker is

A sale of U.S. government securities by the Fed causes a(n)

A) expansion of the money supply equal to the amount of the securities sold. B) contraction of the money supply equal to the amount of the securities sold. C) expansion of the money supply of more than the amount of the securities sold. D) contraction of the money supply of more than the amount of the securities sold.

In some rural regions of the United States, residents harvest much of their food supplies directly from nature by hunting, fishing, and gathering. With regard to these subsistence activities: a. GDP will overestimate the true value of the nation's production of final goods and services

b. GDP will underestimate the true value of the nation's production of final goods and services only when the income approach is used. c. GDP will correctly estimate the true value of the nation's production of final goods and services. d. GDP will underestimate the true value of the nation's production of final goods and services.