Which of the following goods or services are among top U.S. imports?

Describe the primary functions of the World Bank, the IMF, and the WTO. When was each of these organizations formed?

What will be an ideal response?

What mechanism assures that producers use inputs efficiently?

a. governmental regulations on use of resources b. altruism c. the desire for profit d. an innate desire to be efficient e. All of the above are correct.