Refer to the information provided in Figure 6.13 below to answer the question(s) that follow. Figure 6.13Refer to Figure 6.13. Assume Ellen has two products available, pizza and hamburgers. Ellen must be compensated with more pizzas as she gives up more hamburgers. The curve in Panel ________ represents her indifference curve.

According to your textbook, critics of "globalization" often fail to understand that

A) money makes the world go round. B) voluntary trade is mutually beneficial. C) economics applies only to capitalist economic systems. D) greed is better than love.

Economies of scale will create a barrier to entry in an oligopoly industry when

A) a firm's minimum efficient scale occurs where long-run average total costs are constant. B) the typical firm's long-run average total cost curve reaches a minimum at a level of output that is a small fraction of total industry sales. C) the industry's four-firm concentration ratio is less than 40 percent. D) the typical firm's long-run average total cost curve reaches a minimum at a level of output that is a large fraction of total industry sales.