Which of the following is not an example of a type of factor of production?

Goods and services that the United States buys from other nations are called

A) exports. B) imports. C) bartered goods. D) exchanges. E) world goods.

The paradox of value refers to the fact that

A) different consumers value the same items differently. B) the value of a good depends on its total utility. C) water costs little, while diamonds cost a lot. D) water brings little consumer surplus.