When firms in the same industry locate in the same geographic region, it is known as dumping

After 1980, the following is true

A) money is a leading variable. B) any lead/lag relationship between money and real GDP is difficult to detect. C) money is a lagging variable. D) money is coincident.

The U.S. population growth rate in the first half of the 19th century was

a. about the same as that of most European countries. b. lower than that of most European countries. c. much higher than that of most European countries. d. sporadic—sometimes high and sometimes low.