Which of the following is not part of an argument that unions lead to increased productivity?

The U.S. dollar is called

A) frail money because wear and tear ruins paper bills. B) convertible money because the government stands ready to convert it into gold or silver. C) fiat money because the law decrees it is money. D) faith money. E) commodity money, because it is convertible into gold.

The aggregate demand curve shows total expenditures at different levels of national income

Indicate whether the statement is true or false