If this is a closed economy, how many bikes will be produced? 

In the United States, doctors and hospitals that provide most health care are

A) 100 percent employed by the government. B) primarily private firms. C) split evenly between private firms and employed by the government. D) primarily employed by the government.

If the marginal productivity of labor is constant for all levels of output, then the average productivity of labor

A) is constant. B) equals the marginal productivity of labor. C) Both A and B above. D) Either A or B above but not both.