Each and every point along a production possibilities curve represents an efficient output option for an economy

According to Matthew Slaughter, as reported in the Case in Point on outsourcing, which of the following is a reason that suggests outsourcing might actually increase domestic employment?

A) Reduced costs make domestic firms more likely to expand the quantities they produce. B) Lower costs may lead firms to increase the scale of their operations which could generate more domestic employment. C) A firm that engages in outsourcing is likely to increase its scope of operations. D) all of the above

Assume that when the price of good Z is increased from $5 to $6, the total revenue earned increases from $600 to $690. Based on this information, we can conclude that over this range, demand for Z is:

A) elastic. B) unit elastic. C) inelastic. D) perfectly inelastic.