2. The late George Stigler, an eminent conservative Chi- cago economist, wrote as follows: No thoroughly egalitarian society has ever been able to Construct or maintain an efficient and progressive eco- nomic system. It has been universal experience that some system of differential rewards is necessary to stimulate workers. [ The Theory of Price, 3d ed. (Macmillan, New York, 1966), p. 19.] Are these statements positive or normative economics? 8 Discuss Stigler's view in light of Alfred Marshall's quote in question 1. Is there a conflict