Each of the following would shift a nation's production possibilities frontier outward, but which is least likely to be accompanied by an increase in the standard of living?

Structural unemployment exists because workers and employers try to find the right employment matches

Indicate whether the statement is true or false

Sally and Joe recently graduated from college, both majoring in history. Joe took a prestigious job as a legal clerk. Sally took a job as a specialist in fighting forest fires. Both received additional training before entering their jobs. Who will likely earn a higher salary and why?