If the firm hires 5 workers, the average cost equals

Under the Sarbanes-Oxley Act of 2002, the provision that established the PCAOB to supervise accounting firms is an example of

A) regulate for transparency. B) supervisory oversight. C) separation of functions. D) socialization of information production.

If a vintner has a comparative advantage in producing wine,

A. he can produce wine at a lower opportunity cost than other vintners. B. he also has an absolute advantage in producing wine. C. wine is the only product he can produce. D. he can produce more wine using the same resources than other vintners.