The magnitude of the impact taxes have on job-search effort is:

The table above gives the production possibilities frontier for two countries, Anaconda and Bear. The table shows that

A) Anaconda has a comparative advantage in the production of corn. B) Bear has an absolute advantage in the production of both goods. C) Anaconda achieves production efficiency only at its production point A. D) Bear achieves production efficiency only at its production point A. E) Both answers A and B are correct.

The table above gives the market share of sales of firms in the retail clothing market. What is the four-firm concentration ratio?

A) 70 percent B) 100 percent C) 85 percent D) 65 percent