Refer to Table 20-17. Looking at the table above, real average hourly earnings in 2015 were

Suppose that an industry consists of 10 firms, and the top 4 firms have annual sales of $2.5 million, $2 million, $1.5 million, and $1 million, respectively

If the entire industry has annual sales of $10 million, the four-firm concentration ratio is A) 85 percent. B) 50 percent. C) 10 percent. D) 70 percent.

If the government imposes a tax of $3,000 on everyone, the tax would be a(n)

a. income tax. b. consumption tax. c. lump-sum tax. d. marginal tax.