If an average cost pricing rule is imposed on the natural monopoly shown in the figure above, then it will produce

Lower U.S. interest rates cause the value of the dollar to

A) fall, making U.S. goods relatively more expensive on world markets. B) fall, making U.S. goods relatively cheaper on world markets. C) rise, making U.S. goods relatively more expensive on world markets. D) rise, making U.S. goods relatively cheaper on world markets.

Gresham's Law states that:

a. Good money tends to drive bad money out of circulation. b. Virtual and electronic money tends to drive physical money out of circulation. c. Bad money tends to drive good money circulation. c. In times of financial instability, nations should "gresham," which means to back their currencies by precious metals. d. In times of financial instability, commodity-backed money tends to drive electronic and virtual currencies from circulation.