The results of a 2008 Los Angeles Times poll suggest that a significant majority of Americans believe that free international trade helps the American economy

To an economist, the cost of a college education

a. includes the income that the student could have earned during the time spent in college. b. can be measured solely by the dollar cost of tuition, books, and other fees. c. includes only the cost of schooling, not the cost of housing and food. d. excludes financial aid in computation of the cost of schooling. e. All of the above are correct.

Most people in LDCs earn their living as _____.

Fill in the blank(s) with the appropriate word(s).