All else equal, more investment takes place at

Which of the following is NOT a component of gross domestic product?

A) purchases by consumers of used goods B) government purchases C) net exports D) purchases by consumers of finished goods

In 1910 _____________ of children between the ages of 10 and 15 had jobs, but by 1920, this percentage had fallen to ____________

a. 50 percent; 25 percent b. 30 percent; 20 percent c. 20 percent; less than 10 percent d. 10 percent; less than 1 percent