People hold money for transactions purposes, precautionary reasons, and asset purposes

Which of the following is an example of a worker experiencing frictional unemployment?

A) A computer programmer loses her job because it is outsourced to India. B) An employee is laid off because the economy is suffering a recession. C) A worker quits his job at the Post Office to find more interesting work. D) A United Airlines pilot loses her job because of lack of demand for air travel.

Union membership over the last five decades has

a. grown at the same rate as the labor force b. become much more attractive and has grown more rapidly than the labor force c. become much more attractive d. grown more rapidly than the labor force e. declined