The Japanese currency is called the

To what do economists attribute the rapid growth of labor productivity in the United States relative to other countries?

A) the flexibility of U.S. labor markets and the efficiency of the U.S. financial system B) the high level of unemployment benefits the United States pays relative to other countries like Canada C) the strict government rules in the United States that regulate a firm's ability to hire and fire workers D) the low rate of job mobility in the United States

Refer to the above figure. If the government requires the natural monopolist to charge the efficient price, it will charge price

A) P5 and sell Q1 units. B) P2 and sell Q1 units. C) P3 and sell Q3 units. D) P1 and sell Q4 units.