There is a firm basis for specifying what a family's minimum needs are

Someone who turns down an opportunity to purchase a Bible for $5 and then immediately pays $5 to attend a movie thereby expects to obtain more satisfaction from seeing the movie than from

A) cultivating the spiritual life. B) deepening his religious faith. C) owning the Bible just offered to him. D) reading the Bible.

Which of the following is the primary source of cross-country differences in the real earnings of workers?

a. differences in natural resource endowments b. differences in the share of workers that are members of a labor union c. differences in output per worker d. access to modern technology e. differences in the average number of hours worked