（）is for the operation ordering and the information exchange by Internet among the firms.
举一反三
- 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.
- A major function of the New York Stock Exchange is to raise money for firms.
- How can firms promote ethical behavior among their employees?
- Competition among firms in an industry can lower prices and profits
- Colleges in the 21st century have become places where the Internet is most widely used in the world because of ______________. A: the smartphones B: the laptops C: the wireless Internet access anywhere and anytime D: the frequent information exchange