If the exchange rate between the U.S. dollar and the Euro were 1.50 ($1.50 = one Euro), what would be the price in dollars of a German automobile that cost 40,000 Euros?

Demonstrating how an economic variable changes from one year to the next is best illustrated by a

A) time-series graph. B) scatter diagram. C) Venn diagram. D) linear graph. E) cross-section graph.

Each of the four firms in an industry has a market share of 25 percent. The Herfindahl-Hirschman Index equals

A) 3,600. B) 100. C) 625. D) 25. E) 2,500.