In the simple circular-flow diagram, the participants in the economy are ______.
A、firms and government
B、households and firms
C、households and government
D、households, firms, and government
In the simple circular-flow diagram, the participants in th - 3. Circular-Flow Diagram and PPF - 微观经济学(全英) - 重庆高校在线开放课程平台 | 大学网课搜题引擎