An interest-earning account that can be withdrawn at any time without payment of a penalty is a

A marginally attached worker is

A) a person who is not happy with his or her job. B) someone who works part-time more than 25 hours per week but wants full-time work. C) someone who does not have a job but is available and willing to work and has made specific but unsuccessful efforts to find a job during the past 4 weeks. D) someone who does not have a job but is available and willing to work but has not made specific efforts to find a job during the past 4 weeks. E) another name for an unemployed worker.

New airplanes, which normally consume less fuel per passenger-mile, become less efficient for commercial airlines to purchase and use as

A) average flight distances lengthen. B) fewer non-stop flights are scheduled. C) fuel prices fall. D) the demand for airline travel increases. E) the price of new airplanes falls.