Ellen wants to work part-time as a temp because she wants to be home when her children arrive home ...

Ellen wants to work part-time as a temp because she wants to be home when her children arrive home from grade school. Ellen is
 
  a. a marginal worker.
  b. a marginal worker unless her temporary agency pays its payroll taxes.
  c. a voluntary part-time worker.
  d. inadequately employed.
  e. a franchisee.

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A teenaged, female high-school dropout who lives in an inner-city neighborhood is unable to find a good-paying job. This situation illustrates
 
  a. a discouraged worker.
  b. the interaction of marginal characteristics.
  c. the limited supply of productive workers.
  d. the failure of statistical discrimination.
  e. the unavailability of contingent work.