One reason a student may seek a federal student loan instead of a private student loan is that

They are issued in cooperation with the student’s university to reduce costs and paperwork.
They have lower interest rates and can be paid back with lower out-of-pocket costs.
They are backed by the US government to ensure greater financial security.
They are available to any student who meets lending standards, regardless of financial need.

Specialization—the division of labor—enhances productivity and efficiency by a) allowing workers to take advantage of existing differences in their abilities and skills. b) avoiding the time loss involved in shifting from one production task to another. c) allowing workers to develop skills by working on one, or a limited number, of tasks. d)all of the means identified in the other answers.

Increases in output and increases in the inflation rate have been linked to

With signals from no-claim bonuses and deductibles, a. the marginal cost curve for careful drivers lies to the left of the marginal cost curve for aggressive drivers b. auto insurance companies insure more aggressive drivers than careful drivers because aggressive drivers have a greater need for the insurance c. the market for car insurance has a separating equilibrium, and the market is efficient d. most drivers pay higher premiums than if the market had no signals