An economist finds the following characteristics for the market for two products, S and T: Product Firm s Pricing Power Concentration Ratio S Considerable High T Some Low A.an oligopoly and the industry for Product T is also an oligopoly. B.an oligopoly and the industry for Product T is monopolistic competition. C.monopolistic competition and the industry for product T is an oligopoly.
A.an B. B.an C. C.monopolistic D.
【参考答案】
B Greater pricing power for the individual firm and a hi......