If there are five firms in an industry and the market shares of the firms are 35 percent, 25 percent, 20 percent, 16 percent and 4 percent. the four-firm concentration ratio for this industry is percent and the herfindahl index is a. 90; 3,300 b. 96; 2,506 c. 96; 2,522. d. 86; 9,216 e. this cannot be

scenario: hawaii and south carolina are trading partners. hawaii has an absolute advantage in the production of both coffee and tea. the opportunity cost of producing 1 pound of tea in hawaii is 2 pounds of coffee, and the opportunity cost of producing 1 pound of tea in south carolina is 1/3 pound of coffee. which of the following statements is true? a. south carolina should specialize in the production of both tea and coffee. b. hawaii should specialize in the production of tea, whereas south carolina should specialize in the production of coffee. c. hawaii should specialize in the production of coffee, whereas south carolina should specialize in the production of tea. d. hawaii should specialize in the production of both tea and coffee.