Figure 17.2 depicts a firm's marginal revenue product curve. If the output price is $5, what is the marginal product of the third worker?

When the European interest rate falls, the foreign expected dollar return curve shifts:

a. in. b. out. c. not at all. d. Not enough information is provided to answer the question.

The world population is approximately ________ people

A) 6.8 billion B) 6.8 trillion C) 680 million D) 2 trillion E) 6.8 million