The labor force equals the number of people:

Which of the following is assumed constant in the short-run Classical model?

A) Money supply B) Output C) Aggregate demand D) Wages

The difference between a positive economic statement and a normative statement is that

a. a positive statement must be true; a normative statement is often not true b. a normative statement must be true; a positive statement is often not true c. a positive statement can be proved; a normative statement cannot d. a normative statement can be proved; a positive statement cannot e. a positive economic statement is a moral judgment; a normative economic statement is not a moral judgment