An equilibrium price is unaffected by nonprice factors

Roughly what percent of American families lived below the poverty line in 2010?

A) 12% B) 22% C) 32% D) 42% E) 52%

Based on Table 3.1, trade between the United States and Mexico will occur as long as the relative price of shoes is between

A) three computers and one computer. B) three computers and two computers. C) one-half computer and one-third computer. D) six computers and three computers. E) None of the above.