In 2002, the largest marital status category of white single parents was "never married."

Which of the following is a flow variable?

A) consumption B) savings C) wealth D) population

A compensating wage differential is a wage premium paid in order to:

A) recognize a more efficient employee. B) attract workers who have a family to support. C) improve the goodwill of a firm hiring workers. D) attract workers to otherwise undesirable occupations.