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Which is not a type of economic system? C) A. The traditional economic system is an economy based mostly on tradition. O B. The freemarket economic system is an economy in which most economic decisions are made by private households and rms. 0 C. The modern economic system is an economy that is constantly changing with no similarities to the past. 6) D. The mixed economic system is an economy in which some economic decisions are made by rms and households and some by the goyemment. O E. The command economic system is an economy in which most economic decisions are made by a central planning authority